Home / 4,227.12-6,340.80-1,149.12

Finding the Fourth Proportional to 4,227.12, 6,340.80 and 1,149.12

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Solution

The fourth proportional to 4,227.12, 6,340.80 and 1,149.12 is: 1,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.12 : 6,340.80 = 1,149.12 : x
  2. Step 2: Convert to fraction form
    4,227.12/6,340.80 = 1,149.12/x
  3. Step 3: Cross multiply
    4,227.12x = 6,340.80 × 1,149.12
  4. Step 4: Simplify right side
    4,227.12x = 7,286,340.10
  5. Step 5: Solve for x
    x = 7,286,340.10/4,227.12
  6. Step 6: Final answer
    x = 1,723.71

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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.