Home / 5,474.56-8,209.40-1,578.04

Finding the Fourth Proportional to 5,474.56, 8,209.40 and 1,578.04

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Solution

The fourth proportional to 5,474.56, 8,209.40 and 1,578.04 is: 2,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.56 : 8,209.40 = 1,578.04 : x
  2. Step 2: Convert to fraction form
    5,474.56/8,209.40 = 1,578.04/x
  3. Step 3: Cross multiply
    5,474.56x = 8,209.40 × 1,578.04
  4. Step 4: Simplify right side
    5,474.56x = 12,954,761.58
  5. Step 5: Solve for x
    x = 12,954,761.58/5,474.56
  6. Step 6: Final answer
    x = 2,366.36

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