Home / 5,423.97-8,139.66-2,502.30

Finding the Fourth Proportional to 5,423.97, 8,139.66 and 2,502.30

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Solution

The fourth proportional to 5,423.97, 8,139.66 and 2,502.30 is: 3,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.97 : 8,139.66 = 2,502.30 : x
  2. Step 2: Convert to fraction form
    5,423.97/8,139.66 = 2,502.30/x
  3. Step 3: Cross multiply
    5,423.97x = 8,139.66 × 2,502.30
  4. Step 4: Simplify right side
    5,423.97x = 20,367,871.22
  5. Step 5: Solve for x
    x = 20,367,871.22/5,423.97
  6. Step 6: Final answer
    x = 3,755.16

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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.