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Finding the Fourth Proportional to 5,691.53, 7,854.08 and 3,173.73

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Solution

The fourth proportional to 5,691.53, 7,854.08 and 3,173.73 is: 4,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.53 : 7,854.08 = 3,173.73 : x
  2. Step 2: Convert to fraction form
    5,691.53/7,854.08 = 3,173.73/x
  3. Step 3: Cross multiply
    5,691.53x = 7,854.08 × 3,173.73
  4. Step 4: Simplify right side
    5,691.53x = 24,926,713.45
  5. Step 5: Solve for x
    x = 24,926,713.45/5,691.53
  6. Step 6: Final answer
    x = 4,379.62

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