Home / 5,240.62-7,232.09-2,882.70

Finding the Fourth Proportional to 5,240.62, 7,232.09 and 2,882.70

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Solution

The fourth proportional to 5,240.62, 7,232.09 and 2,882.70 is: 3,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.62 : 7,232.09 = 2,882.70 : x
  2. Step 2: Convert to fraction form
    5,240.62/7,232.09 = 2,882.70/x
  3. Step 3: Cross multiply
    5,240.62x = 7,232.09 × 2,882.70
  4. Step 4: Simplify right side
    5,240.62x = 20,847,945.84
  5. Step 5: Solve for x
    x = 20,847,945.84/5,240.62
  6. Step 6: Final answer
    x = 3,978.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.