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Finding the Fourth Proportional to 5,651.44, 7,789.96 and 4,454.52

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Solution

The fourth proportional to 5,651.44, 7,789.96 and 4,454.52 is: 6,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.44 : 7,789.96 = 4,454.52 : x
  2. Step 2: Convert to fraction form
    5,651.44/7,789.96 = 4,454.52/x
  3. Step 3: Cross multiply
    5,651.44x = 7,789.96 × 4,454.52
  4. Step 4: Simplify right side
    5,651.44x = 34,700,532.62
  5. Step 5: Solve for x
    x = 34,700,532.62/5,651.44
  6. Step 6: Final answer
    x = 6,140.12

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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.