Home / 5,229.78-7,217.42-3,458.31

Finding the Fourth Proportional to 5,229.78, 7,217.42 and 3,458.31

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Solution

The fourth proportional to 5,229.78, 7,217.42 and 3,458.31 is: 4,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.78 : 7,217.42 = 3,458.31 : x
  2. Step 2: Convert to fraction form
    5,229.78/7,217.42 = 3,458.31/x
  3. Step 3: Cross multiply
    5,229.78x = 7,217.42 × 3,458.31
  4. Step 4: Simplify right side
    5,229.78x = 24,960,058.47
  5. Step 5: Solve for x
    x = 24,960,058.47/5,229.78
  6. Step 6: Final answer
    x = 4,772.68

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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.