Home / 8,787.27-13,176.65-3,243.23

Finding the Fourth Proportional to 8,787.27, 13,176.65 and 3,243.23

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Solution

The fourth proportional to 8,787.27, 13,176.65 and 3,243.23 is: 4,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.27 : 13,176.65 = 3,243.23 : x
  2. Step 2: Convert to fraction form
    8,787.27/13,176.65 = 3,243.23/x
  3. Step 3: Cross multiply
    8,787.27x = 13,176.65 × 3,243.23
  4. Step 4: Simplify right side
    8,787.27x = 42,734,848.80
  5. Step 5: Solve for x
    x = 42,734,848.80/8,787.27
  6. Step 6: Final answer
    x = 4,863.27

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