Home / 8,091.68-11,168.62-7,250.95

Finding the Fourth Proportional to 8,091.68, 11,168.62 and 7,250.95

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Solution

The fourth proportional to 8,091.68, 11,168.62 and 7,250.95 is: 10,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.68 : 11,168.62 = 7,250.95 : x
  2. Step 2: Convert to fraction form
    8,091.68/11,168.62 = 7,250.95/x
  3. Step 3: Cross multiply
    8,091.68x = 11,168.62 × 7,250.95
  4. Step 4: Simplify right side
    8,091.68x = 80,983,059.14
  5. Step 5: Solve for x
    x = 80,983,059.14/8,091.68
  6. Step 6: Final answer
    x = 10,008.19

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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.