Practice Solving Proportions Using Cross-multiplication (2.6.2.3) - Unit 1: Number Sense & Operations: Foundations for Fluency
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Solving Proportions using Cross-Multiplication

Practice - Solving Proportions using Cross-Multiplication

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Solve the proportion: \( \frac{1}{2} = \frac{3}{x} \)

💡 Hint: Cross multiply to find the value of x.

Question 2 Easy

What is x in the proportion \( \frac{4}{x} = \frac{12}{16} \)?

💡 Hint: Cross multiply and solve for x!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is cross-multiplication used for?

To add fractions
To solve proportions
To find square roots

💡 Hint: Think about the context of ratios.

Question 2

True or False: If \( \frac{2}{3} = \frac{6}{9} \), then the ratios are in proportion.

True
False

💡 Hint: Simplify both fractions to check.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A train travels at 60 mph and takes x hours to travel 180 miles. Set up and solve the proportion to find x.

💡 Hint: Make sure to set the right ratios.

Challenge 2 Hard

In a garden, the ratio of flowers to bushes is 5:2. If there are 40 flowers, how many bushes will there be? Use proportions to find the answer.

💡 Hint: Set up the proportion correctly to solve for bushes.

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