Home / 5,616-7,753.28-3,629.44

Finding the Fourth Proportional to 5,616, 7,753.28 and 3,629.44

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Solution

The fourth proportional to 5,616, 7,753.28 and 3,629.44 is: 5,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616 : 7,753.28 = 3,629.44 : x
  2. Step 2: Convert to fraction form
    5,616/7,753.28 = 3,629.44/x
  3. Step 3: Cross multiply
    5,616x = 7,753.28 × 3,629.44
  4. Step 4: Simplify right side
    5,616x = 28,140,064.56
  5. Step 5: Solve for x
    x = 28,140,064.56/5,616
  6. Step 6: Final answer
    x = 5,010.70

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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.