Home / 8,286.92-11,437.37-5,302.61

Finding the Fourth Proportional to 8,286.92, 11,437.37 and 5,302.61

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Solution

The fourth proportional to 8,286.92, 11,437.37 and 5,302.61 is: 7,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.92 : 11,437.37 = 5,302.61 : x
  2. Step 2: Convert to fraction form
    8,286.92/11,437.37 = 5,302.61/x
  3. Step 3: Cross multiply
    8,286.92x = 11,437.37 × 5,302.61
  4. Step 4: Simplify right side
    8,286.92x = 60,647,912.54
  5. Step 5: Solve for x
    x = 60,647,912.54/8,286.92
  6. Step 6: Final answer
    x = 7,318.51

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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.