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Finding the Fourth Proportional to 5,487.44, 8,227.92 and 1,977.17

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Solution

The fourth proportional to 5,487.44, 8,227.92 and 1,977.17 is: 2,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.44 : 8,227.92 = 1,977.17 : x
  2. Step 2: Convert to fraction form
    5,487.44/8,227.92 = 1,977.17/x
  3. Step 3: Cross multiply
    5,487.44x = 8,227.92 × 1,977.17
  4. Step 4: Simplify right side
    5,487.44x = 16,267,996.59
  5. Step 5: Solve for x
    x = 16,267,996.59/5,487.44
  6. Step 6: Final answer
    x = 2,964.59

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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.