Home / 10,487.66-15,731.40-4,937.97

Finding the Fourth Proportional to 10,487.66, 15,731.40 and 4,937.97

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Solution

The fourth proportional to 10,487.66, 15,731.40 and 4,937.97 is: 7,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.66 : 15,731.40 = 4,937.97 : x
  2. Step 2: Convert to fraction form
    10,487.66/15,731.40 = 4,937.97/x
  3. Step 3: Cross multiply
    10,487.66x = 15,731.40 × 4,937.97
  4. Step 4: Simplify right side
    10,487.66x = 77,681,181.26
  5. Step 5: Solve for x
    x = 77,681,181.26/10,487.66
  6. Step 6: Final answer
    x = 7,406.92

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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.