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Finding the Fourth Proportional to 8,675.80, 13,004.38 and 3,747.76

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Solution

The fourth proportional to 8,675.80, 13,004.38 and 3,747.76 is: 5,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.80 : 13,004.38 = 3,747.76 : x
  2. Step 2: Convert to fraction form
    8,675.80/13,004.38 = 3,747.76/x
  3. Step 3: Cross multiply
    8,675.80x = 13,004.38 × 3,747.76
  4. Step 4: Simplify right side
    8,675.80x = 48,737,295.19
  5. Step 5: Solve for x
    x = 48,737,295.19/8,675.80
  6. Step 6: Final answer
    x = 5,617.61

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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.