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Finding the Fourth Proportional to 5,733.12, 8,602.80 and 3,998.40

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Solution

The fourth proportional to 5,733.12, 8,602.80 and 3,998.40 is: 5,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,733.12 : 8,602.80 = 3,998.40 : x
  2. Step 2: Convert to fraction form
    5,733.12/8,602.80 = 3,998.40/x
  3. Step 3: Cross multiply
    5,733.12x = 8,602.80 × 3,998.40
  4. Step 4: Simplify right side
    5,733.12x = 34,397,435.52
  5. Step 5: Solve for x
    x = 34,397,435.52/5,733.12
  6. Step 6: Final answer
    x = 5,999.78

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