Home / 8,127.33-12,189.92-3,195.65

Finding the Fourth Proportional to 8,127.33, 12,189.92 and 3,195.65

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Solution

The fourth proportional to 8,127.33, 12,189.92 and 3,195.65 is: 4,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.33 : 12,189.92 = 3,195.65 : x
  2. Step 2: Convert to fraction form
    8,127.33/12,189.92 = 3,195.65/x
  3. Step 3: Cross multiply
    8,127.33x = 12,189.92 × 3,195.65
  4. Step 4: Simplify right side
    8,127.33x = 38,954,640.92
  5. Step 5: Solve for x
    x = 38,954,640.92/8,127.33
  6. Step 6: Final answer
    x = 4,793.04

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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.