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Finding the Fourth Proportional to 6,304.57, 9,456.84 and 1,687.57

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Solution

The fourth proportional to 6,304.57, 9,456.84 and 1,687.57 is: 2,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,304.57 : 9,456.84 = 1,687.57 : x
  2. Step 2: Convert to fraction form
    6,304.57/9,456.84 = 1,687.57/x
  3. Step 3: Cross multiply
    6,304.57x = 9,456.84 × 1,687.57
  4. Step 4: Simplify right side
    6,304.57x = 15,959,079.48
  5. Step 5: Solve for x
    x = 15,959,079.48/6,304.57
  6. Step 6: Final answer
    x = 2,531.35

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1.5x scale

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.