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Finding the Fourth Proportional to 8,999.82, 13,494.60 and 3,731.82

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Solution

The fourth proportional to 8,999.82, 13,494.60 and 3,731.82 is: 5,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.82 : 13,494.60 = 3,731.82 : x
  2. Step 2: Convert to fraction form
    8,999.82/13,494.60 = 3,731.82/x
  3. Step 3: Cross multiply
    8,999.82x = 13,494.60 × 3,731.82
  4. Step 4: Simplify right side
    8,999.82x = 50,359,418.17
  5. Step 5: Solve for x
    x = 50,359,418.17/8,999.82
  6. Step 6: Final answer
    x = 5,595.60

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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.