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Finding the Fourth Proportional to 6,304.12, 9,456.18 and 1,687

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Solution

The fourth proportional to 6,304.12, 9,456.18 and 1,687 is: 2,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,304.12 : 9,456.18 = 1,687 : x
  2. Step 2: Convert to fraction form
    6,304.12/9,456.18 = 1,687/x
  3. Step 3: Cross multiply
    6,304.12x = 9,456.18 × 1,687
  4. Step 4: Simplify right side
    6,304.12x = 15,952,575.66
  5. Step 5: Solve for x
    x = 15,952,575.66/6,304.12
  6. Step 6: Final answer
    x = 2,530.50

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Double scale
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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.