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Finding the Fourth Proportional to 5,791.42, 8,687.64 and 1,631.46

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Solution

The fourth proportional to 5,791.42, 8,687.64 and 1,631.46 is: 2,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.42 : 8,687.64 = 1,631.46 : x
  2. Step 2: Convert to fraction form
    5,791.42/8,687.64 = 1,631.46/x
  3. Step 3: Cross multiply
    5,791.42x = 8,687.64 × 1,631.46
  4. Step 4: Simplify right side
    5,791.42x = 14,173,537.15
  5. Step 5: Solve for x
    x = 14,173,537.15/5,791.42
  6. Step 6: Final answer
    x = 2,447.33

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