Home / 5,432.78-8,145.38-2,619.92

Finding the Fourth Proportional to 5,432.78, 8,145.38 and 2,619.92

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Solution

The fourth proportional to 5,432.78, 8,145.38 and 2,619.92 is: 3,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.78 : 8,145.38 = 2,619.92 : x
  2. Step 2: Convert to fraction form
    5,432.78/8,145.38 = 2,619.92/x
  3. Step 3: Cross multiply
    5,432.78x = 8,145.38 × 2,619.92
  4. Step 4: Simplify right side
    5,432.78x = 21,340,243.97
  5. Step 5: Solve for x
    x = 21,340,243.97/5,432.78
  6. Step 6: Final answer
    x = 3,928.05

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