Home / 3,713.20-5,561.70-3,227.20

Finding the Fourth Proportional to 3,713.20, 5,561.70 and 3,227.20

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Solution

The fourth proportional to 3,713.20, 5,561.70 and 3,227.20 is: 4,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.20 : 5,561.70 = 3,227.20 : x
  2. Step 2: Convert to fraction form
    3,713.20/5,561.70 = 3,227.20/x
  3. Step 3: Cross multiply
    3,713.20x = 5,561.70 × 3,227.20
  4. Step 4: Simplify right side
    3,713.20x = 17,948,718.24
  5. Step 5: Solve for x
    x = 17,948,718.24/3,713.20
  6. Step 6: Final answer
    x = 4,833.76

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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.