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Finding the Fourth Proportional to 5,618.88, 7,753.44 and 3,100.96

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Solution

The fourth proportional to 5,618.88, 7,753.44 and 3,100.96 is: 4,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.88 : 7,753.44 = 3,100.96 : x
  2. Step 2: Convert to fraction form
    5,618.88/7,753.44 = 3,100.96/x
  3. Step 3: Cross multiply
    5,618.88x = 7,753.44 × 3,100.96
  4. Step 4: Simplify right side
    5,618.88x = 24,043,107.30
  5. Step 5: Solve for x
    x = 24,043,107.30/5,618.88
  6. Step 6: Final answer
    x = 4,278.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.