Home / 5,618.48-7,753.44-3,100.61

Finding the Fourth Proportional to 5,618.48, 7,753.44 and 3,100.61

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Solution

The fourth proportional to 5,618.48, 7,753.44 and 3,100.61 is: 4,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.48 : 7,753.44 = 3,100.61 : x
  2. Step 2: Convert to fraction form
    5,618.48/7,753.44 = 3,100.61/x
  3. Step 3: Cross multiply
    5,618.48x = 7,753.44 × 3,100.61
  4. Step 4: Simplify right side
    5,618.48x = 24,040,393.60
  5. Step 5: Solve for x
    x = 24,040,393.60/5,618.48
  6. Step 6: Final answer
    x = 4,278.81

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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.