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Finding the Fourth Proportional to 4,687.52, 6,468.50 and 2,591.52

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Solution

The fourth proportional to 4,687.52, 6,468.50 and 2,591.52 is: 3,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.52 : 6,468.50 = 2,591.52 : x
  2. Step 2: Convert to fraction form
    4,687.52/6,468.50 = 2,591.52/x
  3. Step 3: Cross multiply
    4,687.52x = 6,468.50 × 2,591.52
  4. Step 4: Simplify right side
    4,687.52x = 16,763,247.12
  5. Step 5: Solve for x
    x = 16,763,247.12/4,687.52
  6. Step 6: Final answer
    x = 3,576.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.