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Finding the Fourth Proportional to 5,691.60, 8,537.76 and 4,149.36

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Solution

The fourth proportional to 5,691.60, 8,537.76 and 4,149.36 is: 6,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.60 : 8,537.76 = 4,149.36 : x
  2. Step 2: Convert to fraction form
    5,691.60/8,537.76 = 4,149.36/x
  3. Step 3: Cross multiply
    5,691.60x = 8,537.76 × 4,149.36
  4. Step 4: Simplify right side
    5,691.60x = 35,426,239.83
  5. Step 5: Solve for x
    x = 35,426,239.83/5,691.60
  6. Step 6: Final answer
    x = 6,224.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.