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Finding the Fourth Proportional to 8,481.64, 12,719.34 and 2,933.56

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Solution

The fourth proportional to 8,481.64, 12,719.34 and 2,933.56 is: 4,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.64 : 12,719.34 = 2,933.56 : x
  2. Step 2: Convert to fraction form
    8,481.64/12,719.34 = 2,933.56/x
  3. Step 3: Cross multiply
    8,481.64x = 12,719.34 × 2,933.56
  4. Step 4: Simplify right side
    8,481.64x = 37,312,947.05
  5. Step 5: Solve for x
    x = 37,312,947.05/8,481.64
  6. Step 6: Final answer
    x = 4,399.26

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