Home / 8,577.28-12,867.14-2,731.92

Finding the Fourth Proportional to 8,577.28, 12,867.14 and 2,731.92

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Solution

The fourth proportional to 8,577.28, 12,867.14 and 2,731.92 is: 4,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.28 : 12,867.14 = 2,731.92 : x
  2. Step 2: Convert to fraction form
    8,577.28/12,867.14 = 2,731.92/x
  3. Step 3: Cross multiply
    8,577.28x = 12,867.14 × 2,731.92
  4. Step 4: Simplify right side
    8,577.28x = 35,151,997.11
  5. Step 5: Solve for x
    x = 35,151,997.11/8,577.28
  6. Step 6: Final answer
    x = 4,098.27

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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.