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Finding the Fourth Proportional to 8,999.87, 13,505.83 and 3,734.88

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Solution

The fourth proportional to 8,999.87, 13,505.83 and 3,734.88 is: 5,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.87 : 13,505.83 = 3,734.88 : x
  2. Step 2: Convert to fraction form
    8,999.87/13,505.83 = 3,734.88/x
  3. Step 3: Cross multiply
    8,999.87x = 13,505.83 × 3,734.88
  4. Step 4: Simplify right side
    8,999.87x = 50,442,663.33
  5. Step 5: Solve for x
    x = 50,442,663.33/8,999.87
  6. Step 6: Final answer
    x = 5,604.82

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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.