Home / 8,144.52-12,217.61-2,221.53

Finding the Fourth Proportional to 8,144.52, 12,217.61 and 2,221.53

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Solution

The fourth proportional to 8,144.52, 12,217.61 and 2,221.53 is: 3,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.52 : 12,217.61 = 2,221.53 : x
  2. Step 2: Convert to fraction form
    8,144.52/12,217.61 = 2,221.53/x
  3. Step 3: Cross multiply
    8,144.52x = 12,217.61 × 2,221.53
  4. Step 4: Simplify right side
    8,144.52x = 27,141,787.14
  5. Step 5: Solve for x
    x = 27,141,787.14/8,144.52
  6. Step 6: Final answer
    x = 3,332.52

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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.