Home / 5,240.46-7,231.56-2,882.15

Finding the Fourth Proportional to 5,240.46, 7,231.56 and 2,882.15

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Solution

The fourth proportional to 5,240.46, 7,231.56 and 2,882.15 is: 3,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.46 : 7,231.56 = 2,882.15 : x
  2. Step 2: Convert to fraction form
    5,240.46/7,231.56 = 2,882.15/x
  3. Step 3: Cross multiply
    5,240.46x = 7,231.56 × 2,882.15
  4. Step 4: Simplify right side
    5,240.46x = 20,842,404.50
  5. Step 5: Solve for x
    x = 20,842,404.50/5,240.46
  6. Step 6: Final answer
    x = 3,977.21

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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.