Home / 7,008.96-10,513.44-6,581.28

Finding the Fourth Proportional to 7,008.96, 10,513.44 and 6,581.28

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Solution

The fourth proportional to 7,008.96, 10,513.44 and 6,581.28 is: 9,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.96 : 10,513.44 = 6,581.28 : x
  2. Step 2: Convert to fraction form
    7,008.96/10,513.44 = 6,581.28/x
  3. Step 3: Cross multiply
    7,008.96x = 10,513.44 × 6,581.28
  4. Step 4: Simplify right side
    7,008.96x = 69,191,892.40
  5. Step 5: Solve for x
    x = 69,191,892.40/7,008.96
  6. Step 6: Final answer
    x = 9,871.92

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.