Home / 5,272.20-7,275.69-2,882.24

Finding the Fourth Proportional to 5,272.20, 7,275.69 and 2,882.24

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Solution

The fourth proportional to 5,272.20, 7,275.69 and 2,882.24 is: 3,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.20 : 7,275.69 = 2,882.24 : x
  2. Step 2: Convert to fraction form
    5,272.20/7,275.69 = 2,882.24/x
  3. Step 3: Cross multiply
    5,272.20x = 7,275.69 × 2,882.24
  4. Step 4: Simplify right side
    5,272.20x = 20,970,284.75
  5. Step 5: Solve for x
    x = 20,970,284.75/5,272.20
  6. Step 6: Final answer
    x = 3,977.52

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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.