Home / 5,227.58-7,841.34-1,331.97

Finding the Fourth Proportional to 5,227.58, 7,841.34 and 1,331.97

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Solution

The fourth proportional to 5,227.58, 7,841.34 and 1,331.97 is: 1,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.58 : 7,841.34 = 1,331.97 : x
  2. Step 2: Convert to fraction form
    5,227.58/7,841.34 = 1,331.97/x
  3. Step 3: Cross multiply
    5,227.58x = 7,841.34 × 1,331.97
  4. Step 4: Simplify right side
    5,227.58x = 10,444,429.64
  5. Step 5: Solve for x
    x = 10,444,429.64/5,227.58
  6. Step 6: Final answer
    x = 1,997.95

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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.