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Finding the Fourth Proportional to 7,168.80, 10,749.96 and 2,551.92

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Solution

The fourth proportional to 7,168.80, 10,749.96 and 2,551.92 is: 3,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.80 : 10,749.96 = 2,551.92 : x
  2. Step 2: Convert to fraction form
    7,168.80/10,749.96 = 2,551.92/x
  3. Step 3: Cross multiply
    7,168.80x = 10,749.96 × 2,551.92
  4. Step 4: Simplify right side
    7,168.80x = 27,433,037.92
  5. Step 5: Solve for x
    x = 27,433,037.92/7,168.80
  6. Step 6: Final answer
    x = 3,826.73

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