Home / 7,171.20-10,757.16-2,241.18

Finding the Fourth Proportional to 7,171.20, 10,757.16 and 2,241.18

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Solution

The fourth proportional to 7,171.20, 10,757.16 and 2,241.18 is: 3,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.20 : 10,757.16 = 2,241.18 : x
  2. Step 2: Convert to fraction form
    7,171.20/10,757.16 = 2,241.18/x
  3. Step 3: Cross multiply
    7,171.20x = 10,757.16 × 2,241.18
  4. Step 4: Simplify right side
    7,171.20x = 24,108,731.85
  5. Step 5: Solve for x
    x = 24,108,731.85/7,171.20
  6. Step 6: Final answer
    x = 3,361.88

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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.