Home / 7,591.62-11,387.40-2,661.25

Finding the Fourth Proportional to 7,591.62, 11,387.40 and 2,661.25

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Solution

The fourth proportional to 7,591.62, 11,387.40 and 2,661.25 is: 3,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.62 : 11,387.40 = 2,661.25 : x
  2. Step 2: Convert to fraction form
    7,591.62/11,387.40 = 2,661.25/x
  3. Step 3: Cross multiply
    7,591.62x = 11,387.40 × 2,661.25
  4. Step 4: Simplify right side
    7,591.62x = 30,304,724.90
  5. Step 5: Solve for x
    x = 30,304,724.90/7,591.62
  6. Step 6: Final answer
    x = 3,991.87

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1.5x scale

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.