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Finding the Fourth Proportional to 8,249.90, 12,377.57 and 5,487.44

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Solution

The fourth proportional to 8,249.90, 12,377.57 and 5,487.44 is: 8,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.90 : 12,377.57 = 5,487.44 : x
  2. Step 2: Convert to fraction form
    8,249.90/12,377.57 = 5,487.44/x
  3. Step 3: Cross multiply
    8,249.90x = 12,377.57 × 5,487.44
  4. Step 4: Simplify right side
    8,249.90x = 67,921,172.72
  5. Step 5: Solve for x
    x = 67,921,172.72/8,249.90
  6. Step 6: Final answer
    x = 8,232.97

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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.