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Finding the Fourth Proportional to 5,657.88, 8,491.14 and 2,373.60

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Solution

The fourth proportional to 5,657.88, 8,491.14 and 2,373.60 is: 3,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.88 : 8,491.14 = 2,373.60 : x
  2. Step 2: Convert to fraction form
    5,657.88/8,491.14 = 2,373.60/x
  3. Step 3: Cross multiply
    5,657.88x = 8,491.14 × 2,373.60
  4. Step 4: Simplify right side
    5,657.88x = 20,154,569.90
  5. Step 5: Solve for x
    x = 20,154,569.90/5,657.88
  6. Step 6: Final answer
    x = 3,562.21

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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.