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Finding the Fourth Proportional to 8,454.52, 12,681.24 and 2,910.52

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Solution

The fourth proportional to 8,454.52, 12,681.24 and 2,910.52 is: 4,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.52 : 12,681.24 = 2,910.52 : x
  2. Step 2: Convert to fraction form
    8,454.52/12,681.24 = 2,910.52/x
  3. Step 3: Cross multiply
    8,454.52x = 12,681.24 × 2,910.52
  4. Step 4: Simplify right side
    8,454.52x = 36,909,002.64
  5. Step 5: Solve for x
    x = 36,909,002.64/8,454.52
  6. Step 6: Final answer
    x = 4,365.59

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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.