Home / 5,229.92-7,217.68-3,438.56

Finding the Fourth Proportional to 5,229.92, 7,217.68 and 3,438.56

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Solution

The fourth proportional to 5,229.92, 7,217.68 and 3,438.56 is: 4,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.92 : 7,217.68 = 3,438.56 : x
  2. Step 2: Convert to fraction form
    5,229.92/7,217.68 = 3,438.56/x
  3. Step 3: Cross multiply
    5,229.92x = 7,217.68 × 3,438.56
  4. Step 4: Simplify right side
    5,229.92x = 24,818,425.74
  5. Step 5: Solve for x
    x = 24,818,425.74/5,229.92
  6. Step 6: Final answer
    x = 4,745.47

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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.