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Finding the Fourth Proportional to 5,772.75, 7,966.40 and 3,288.75

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Solution

The fourth proportional to 5,772.75, 7,966.40 and 3,288.75 is: 4,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.75 : 7,966.40 = 3,288.75 : x
  2. Step 2: Convert to fraction form
    5,772.75/7,966.40 = 3,288.75/x
  3. Step 3: Cross multiply
    5,772.75x = 7,966.40 × 3,288.75
  4. Step 4: Simplify right side
    5,772.75x = 26,199,481.56
  5. Step 5: Solve for x
    x = 26,199,481.56/5,772.75
  6. Step 6: Final answer
    x = 4,538.48

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