Home / 7,049.28-9,727.94-4,217.92

Finding the Fourth Proportional to 7,049.28, 9,727.94 and 4,217.92

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Solution

The fourth proportional to 7,049.28, 9,727.94 and 4,217.92 is: 5,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.28 : 9,727.94 = 4,217.92 : x
  2. Step 2: Convert to fraction form
    7,049.28/9,727.94 = 4,217.92/x
  3. Step 3: Cross multiply
    7,049.28x = 9,727.94 × 4,217.92
  4. Step 4: Simplify right side
    7,049.28x = 41,031,672.68
  5. Step 5: Solve for x
    x = 41,031,672.68/7,049.28
  6. Step 6: Final answer
    x = 5,820.69

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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.