Home / 7,229.52-10,839.40-3,331.80

Finding the Fourth Proportional to 7,229.52, 10,839.40 and 3,331.80

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Solution

The fourth proportional to 7,229.52, 10,839.40 and 3,331.80 is: 4,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.52 : 10,839.40 = 3,331.80 : x
  2. Step 2: Convert to fraction form
    7,229.52/10,839.40 = 3,331.80/x
  3. Step 3: Cross multiply
    7,229.52x = 10,839.40 × 3,331.80
  4. Step 4: Simplify right side
    7,229.52x = 36,114,712.92
  5. Step 5: Solve for x
    x = 36,114,712.92/7,229.52
  6. Step 6: Final answer
    x = 4,995.45

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1.5x scale

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.