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Finding the Fourth Proportional to 5,713.92, 8,568.72 and 1,764.72

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Solution

The fourth proportional to 5,713.92, 8,568.72 and 1,764.72 is: 2,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.92 : 8,568.72 = 1,764.72 : x
  2. Step 2: Convert to fraction form
    5,713.92/8,568.72 = 1,764.72/x
  3. Step 3: Cross multiply
    5,713.92x = 8,568.72 × 1,764.72
  4. Step 4: Simplify right side
    5,713.92x = 15,121,391.56
  5. Step 5: Solve for x
    x = 15,121,391.56/5,713.92
  6. Step 6: Final answer
    x = 2,646.41

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