Home / 8,227.12-12,335.20-4,531.08

Finding the Fourth Proportional to 8,227.12, 12,335.20 and 4,531.08

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Solution

The fourth proportional to 8,227.12, 12,335.20 and 4,531.08 is: 6,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.12 : 12,335.20 = 4,531.08 : x
  2. Step 2: Convert to fraction form
    8,227.12/12,335.20 = 4,531.08/x
  3. Step 3: Cross multiply
    8,227.12x = 12,335.20 × 4,531.08
  4. Step 4: Simplify right side
    8,227.12x = 55,891,778.02
  5. Step 5: Solve for x
    x = 55,891,778.02/8,227.12
  6. Step 6: Final answer
    x = 6,793.60

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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.