Home / 4,253.68-6,380.65-3,519.03

Finding the Fourth Proportional to 4,253.68, 6,380.65 and 3,519.03

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Solution

The fourth proportional to 4,253.68, 6,380.65 and 3,519.03 is: 5,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.68 : 6,380.65 = 3,519.03 : x
  2. Step 2: Convert to fraction form
    4,253.68/6,380.65 = 3,519.03/x
  3. Step 3: Cross multiply
    4,253.68x = 6,380.65 × 3,519.03
  4. Step 4: Simplify right side
    4,253.68x = 22,453,689.97
  5. Step 5: Solve for x
    x = 22,453,689.97/4,253.68
  6. Step 6: Final answer
    x = 5,278.65

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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.