Home / 7,326.28-10,991.30-2,132.16

Finding the Fourth Proportional to 7,326.28, 10,991.30 and 2,132.16

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Solution

The fourth proportional to 7,326.28, 10,991.30 and 2,132.16 is: 3,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.28 : 10,991.30 = 2,132.16 : x
  2. Step 2: Convert to fraction form
    7,326.28/10,991.30 = 2,132.16/x
  3. Step 3: Cross multiply
    7,326.28x = 10,991.30 × 2,132.16
  4. Step 4: Simplify right side
    7,326.28x = 23,435,158.33
  5. Step 5: Solve for x
    x = 23,435,158.33/7,326.28
  6. Step 6: Final answer
    x = 3,198.78

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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.