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Finding the Fourth Proportional to 8,361.54, 12,539.16 and 2,737.91

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Solution

The fourth proportional to 8,361.54, 12,539.16 and 2,737.91 is: 4,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.54 : 12,539.16 = 2,737.91 : x
  2. Step 2: Convert to fraction form
    8,361.54/12,539.16 = 2,737.91/x
  3. Step 3: Cross multiply
    8,361.54x = 12,539.16 × 2,737.91
  4. Step 4: Simplify right side
    8,361.54x = 34,331,028.86
  5. Step 5: Solve for x
    x = 34,331,028.86/8,361.54
  6. Step 6: Final answer
    x = 4,105.83

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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.