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Finding the Fourth Proportional to 7,534.98, 10,398.22 and 4,177.79

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Solution

The fourth proportional to 7,534.98, 10,398.22 and 4,177.79 is: 5,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.98 : 10,398.22 = 4,177.79 : x
  2. Step 2: Convert to fraction form
    7,534.98/10,398.22 = 4,177.79/x
  3. Step 3: Cross multiply
    7,534.98x = 10,398.22 × 4,177.79
  4. Step 4: Simplify right side
    7,534.98x = 43,441,610.75
  5. Step 5: Solve for x
    x = 43,441,610.75/7,534.98
  6. Step 6: Final answer
    x = 5,765.33

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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.