Home / 5,377.78-7,418.10-3,251.80

Finding the Fourth Proportional to 5,377.78, 7,418.10 and 3,251.80

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Solution

The fourth proportional to 5,377.78, 7,418.10 and 3,251.80 is: 4,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.78 : 7,418.10 = 3,251.80 : x
  2. Step 2: Convert to fraction form
    5,377.78/7,418.10 = 3,251.80/x
  3. Step 3: Cross multiply
    5,377.78x = 7,418.10 × 3,251.80
  4. Step 4: Simplify right side
    5,377.78x = 24,122,177.58
  5. Step 5: Solve for x
    x = 24,122,177.58/5,377.78
  6. Step 6: Final answer
    x = 4,485.53

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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.