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Finding the Fourth Proportional to 8,001.17, 11,997.92 and 3,780.91

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Solution

The fourth proportional to 8,001.17, 11,997.92 and 3,780.91 is: 5,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.17 : 11,997.92 = 3,780.91 : x
  2. Step 2: Convert to fraction form
    8,001.17/11,997.92 = 3,780.91/x
  3. Step 3: Cross multiply
    8,001.17x = 11,997.92 × 3,780.91
  4. Step 4: Simplify right side
    8,001.17x = 45,363,049.30
  5. Step 5: Solve for x
    x = 45,363,049.30/8,001.17
  6. Step 6: Final answer
    x = 5,669.55

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