Home / 4,115.43-5,679.52-3,229.70

Finding the Fourth Proportional to 4,115.43, 5,679.52 and 3,229.70

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Solution

The fourth proportional to 4,115.43, 5,679.52 and 3,229.70 is: 4,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.43 : 5,679.52 = 3,229.70 : x
  2. Step 2: Convert to fraction form
    4,115.43/5,679.52 = 3,229.70/x
  3. Step 3: Cross multiply
    4,115.43x = 5,679.52 × 3,229.70
  4. Step 4: Simplify right side
    4,115.43x = 18,343,125.25
  5. Step 5: Solve for x
    x = 18,343,125.25/4,115.43
  6. Step 6: Final answer
    x = 4,457.16

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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.