Home / 4,129.92-5,682.42-3,568.62

Finding the Fourth Proportional to 4,129.92, 5,682.42 and 3,568.62

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Solution

The fourth proportional to 4,129.92, 5,682.42 and 3,568.62 is: 4,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.92 : 5,682.42 = 3,568.62 : x
  2. Step 2: Convert to fraction form
    4,129.92/5,682.42 = 3,568.62/x
  3. Step 3: Cross multiply
    4,129.92x = 5,682.42 × 3,568.62
  4. Step 4: Simplify right side
    4,129.92x = 20,278,397.66
  5. Step 5: Solve for x
    x = 20,278,397.66/4,129.92
  6. Step 6: Final answer
    x = 4,910.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.