Home / 5,619.11-7,754.20-3,229.47

Finding the Fourth Proportional to 5,619.11, 7,754.20 and 3,229.47

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Solution

The fourth proportional to 5,619.11, 7,754.20 and 3,229.47 is: 4,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.11 : 7,754.20 = 3,229.47 : x
  2. Step 2: Convert to fraction form
    5,619.11/7,754.20 = 3,229.47/x
  3. Step 3: Cross multiply
    5,619.11x = 7,754.20 × 3,229.47
  4. Step 4: Simplify right side
    5,619.11x = 25,041,948.20
  5. Step 5: Solve for x
    x = 25,041,948.20/5,619.11
  6. Step 6: Final answer
    x = 4,456.57

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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.