Home / 3,913.32-5,399.46-2,863.56

Finding the Fourth Proportional to 3,913.32, 5,399.46 and 2,863.56

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Solution

The fourth proportional to 3,913.32, 5,399.46 and 2,863.56 is: 3,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.32 : 5,399.46 = 2,863.56 : x
  2. Step 2: Convert to fraction form
    3,913.32/5,399.46 = 2,863.56/x
  3. Step 3: Cross multiply
    3,913.32x = 5,399.46 × 2,863.56
  4. Step 4: Simplify right side
    3,913.32x = 15,461,677.68
  5. Step 5: Solve for x
    x = 15,461,677.68/3,913.32
  6. Step 6: Final answer
    x = 3,951.04

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