Solving Proportion Equations

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion equation?

Back

To solve a proportion equation, cross-multiply the terms and then isolate the variable.

Front

What does cross-multiplication involve?

Back

Cross-multiplication involves multiplying the numerator of one fraction by the denominator of the other fraction.

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Back

n = -3.25

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Back

n = -9.29

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Back

x = 9.6

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Back

x = 7

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Back

x = 7

Front

What is the first step in solving a proportion?

Back

The first step is to cross-multiply the fractions.

Front

What is the importance of isolating the variable in an equation?

Back

Isolating the variable allows you to solve for its value.