Home / 8,727.28-13,091.32-3,463.36

Finding the Fourth Proportional to 8,727.28, 13,091.32 and 3,463.36

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Solution

The fourth proportional to 8,727.28, 13,091.32 and 3,463.36 is: 5,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.28 : 13,091.32 = 3,463.36 : x
  2. Step 2: Convert to fraction form
    8,727.28/13,091.32 = 3,463.36/x
  3. Step 3: Cross multiply
    8,727.28x = 13,091.32 × 3,463.36
  4. Step 4: Simplify right side
    8,727.28x = 45,339,954.04
  5. Step 5: Solve for x
    x = 45,339,954.04/8,727.28
  6. Step 6: Final answer
    x = 5,195.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.