Home / 7,171.38-10,758.29-2,240.91

Finding the Fourth Proportional to 7,171.38, 10,758.29 and 2,240.91

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Solution

The fourth proportional to 7,171.38, 10,758.29 and 2,240.91 is: 3,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.38 : 10,758.29 = 2,240.91 : x
  2. Step 2: Convert to fraction form
    7,171.38/10,758.29 = 2,240.91/x
  3. Step 3: Cross multiply
    7,171.38x = 10,758.29 × 2,240.91
  4. Step 4: Simplify right side
    7,171.38x = 24,108,359.64
  5. Step 5: Solve for x
    x = 24,108,359.64/7,171.38
  6. Step 6: Final answer
    x = 3,361.75

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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.