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Finding the Fourth Proportional to 8,737.41, 13,102.93 and 3,805.86

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Solution

The fourth proportional to 8,737.41, 13,102.93 and 3,805.86 is: 5,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.41 : 13,102.93 = 3,805.86 : x
  2. Step 2: Convert to fraction form
    8,737.41/13,102.93 = 3,805.86/x
  3. Step 3: Cross multiply
    8,737.41x = 13,102.93 × 3,805.86
  4. Step 4: Simplify right side
    8,737.41x = 49,867,917.17
  5. Step 5: Solve for x
    x = 49,867,917.17/8,737.41
  6. Step 6: Final answer
    x = 5,707.40

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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.