Home / 8,160.62-12,229.47-3,474.28

Finding the Fourth Proportional to 8,160.62, 12,229.47 and 3,474.28

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Solution

The fourth proportional to 8,160.62, 12,229.47 and 3,474.28 is: 5,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.62 : 12,229.47 = 3,474.28 : x
  2. Step 2: Convert to fraction form
    8,160.62/12,229.47 = 3,474.28/x
  3. Step 3: Cross multiply
    8,160.62x = 12,229.47 × 3,474.28
  4. Step 4: Simplify right side
    8,160.62x = 42,488,572.46
  5. Step 5: Solve for x
    x = 42,488,572.46/8,160.62
  6. Step 6: Final answer
    x = 5,206.54

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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.