Home / 7,217.25-10,826.17-2,286.78

Finding the Fourth Proportional to 7,217.25, 10,826.17 and 2,286.78

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Solution

The fourth proportional to 7,217.25, 10,826.17 and 2,286.78 is: 3,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.25 : 10,826.17 = 2,286.78 : x
  2. Step 2: Convert to fraction form
    7,217.25/10,826.17 = 2,286.78/x
  3. Step 3: Cross multiply
    7,217.25x = 10,826.17 × 2,286.78
  4. Step 4: Simplify right side
    7,217.25x = 24,757,037.01
  5. Step 5: Solve for x
    x = 24,757,037.01/7,217.25
  6. Step 6: Final answer
    x = 3,430.26

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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.