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Finding the Fourth Proportional to 6,468.87, 9,701.52 and 1,787.79

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Solution

The fourth proportional to 6,468.87, 9,701.52 and 1,787.79 is: 2,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.87 : 9,701.52 = 1,787.79 : x
  2. Step 2: Convert to fraction form
    6,468.87/9,701.52 = 1,787.79/x
  3. Step 3: Cross multiply
    6,468.87x = 9,701.52 × 1,787.79
  4. Step 4: Simplify right side
    6,468.87x = 17,344,280.44
  5. Step 5: Solve for x
    x = 17,344,280.44/6,468.87
  6. Step 6: Final answer
    x = 2,681.19

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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.