Finding the Fourth Proportional to 8,089, 11,154.99 and 5,257.14
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Solution
The fourth proportional to 8,089, 11,154.99 and 5,257.14 is: 7,249.76
Step by Step Solution
- Step 1: Write the proportion equation
8,089 : 11,154.99 = 5,257.14 : x - Step 2: Convert to fraction form
8,089/11,154.99 = 5,257.14/x - Step 3: Cross multiply
8,089x = 11,154.99 × 5,257.14 - Step 4: Simplify right side
8,089x = 58,643,344.13 - Step 5: Solve for x
x = 58,643,344.13/8,089 - Step 6: Final answer
x = 7,249.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.