Home / 9,286.97-12,817.07-6,453.59

Finding the Fourth Proportional to 9,286.97, 12,817.07 and 6,453.59

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Solution

The fourth proportional to 9,286.97, 12,817.07 and 6,453.59 is: 8,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.97 : 12,817.07 = 6,453.59 : x
  2. Step 2: Convert to fraction form
    9,286.97/12,817.07 = 6,453.59/x
  3. Step 3: Cross multiply
    9,286.97x = 12,817.07 × 6,453.59
  4. Step 4: Simplify right side
    9,286.97x = 82,716,018.43
  5. Step 5: Solve for x
    x = 82,716,018.43/9,286.97
  6. Step 6: Final answer
    x = 8,906.68

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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.