Home / 5,227.22-7,841.29-1,331.63

Finding the Fourth Proportional to 5,227.22, 7,841.29 and 1,331.63

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Solution

The fourth proportional to 5,227.22, 7,841.29 and 1,331.63 is: 1,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.22 : 7,841.29 = 1,331.63 : x
  2. Step 2: Convert to fraction form
    5,227.22/7,841.29 = 1,331.63/x
  3. Step 3: Cross multiply
    5,227.22x = 7,841.29 × 1,331.63
  4. Step 4: Simplify right side
    5,227.22x = 10,441,654.47
  5. Step 5: Solve for x
    x = 10,441,654.47/5,227.22
  6. Step 6: Final answer
    x = 1,997.55

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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.