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Finding the Fourth Proportional to 8,332.88, 12,499.31 and 2,176.88

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Solution

The fourth proportional to 8,332.88, 12,499.31 and 2,176.88 is: 3,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.88 : 12,499.31 = 2,176.88 : x
  2. Step 2: Convert to fraction form
    8,332.88/12,499.31 = 2,176.88/x
  3. Step 3: Cross multiply
    8,332.88x = 12,499.31 × 2,176.88
  4. Step 4: Simplify right side
    8,332.88x = 27,209,440.90
  5. Step 5: Solve for x
    x = 27,209,440.90/8,332.88
  6. Step 6: Final answer
    x = 3,265.31

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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.