Home / 5,331.20-7,350.19-3,649.71

Finding the Fourth Proportional to 5,331.20, 7,350.19 and 3,649.71

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Solution

The fourth proportional to 5,331.20, 7,350.19 and 3,649.71 is: 5,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.20 : 7,350.19 = 3,649.71 : x
  2. Step 2: Convert to fraction form
    5,331.20/7,350.19 = 3,649.71/x
  3. Step 3: Cross multiply
    5,331.20x = 7,350.19 × 3,649.71
  4. Step 4: Simplify right side
    5,331.20x = 26,826,043.70
  5. Step 5: Solve for x
    x = 26,826,043.70/5,331.20
  6. Step 6: Final answer
    x = 5,031.90

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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.