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Finding the Fourth Proportional to 8,999.77, 13,505.69 and 3,734.79

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Solution

The fourth proportional to 8,999.77, 13,505.69 and 3,734.79 is: 5,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.77 : 13,505.69 = 3,734.79 : x
  2. Step 2: Convert to fraction form
    8,999.77/13,505.69 = 3,734.79/x
  3. Step 3: Cross multiply
    8,999.77x = 13,505.69 × 3,734.79
  4. Step 4: Simplify right side
    8,999.77x = 50,440,863.52
  5. Step 5: Solve for x
    x = 50,440,863.52/8,999.77
  6. Step 6: Final answer
    x = 5,604.68

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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.