Home / 8,144.05-11,228.93-6,882.88

Finding the Fourth Proportional to 8,144.05, 11,228.93 and 6,882.88

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Solution

The fourth proportional to 8,144.05, 11,228.93 and 6,882.88 is: 9,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.05 : 11,228.93 = 6,882.88 : x
  2. Step 2: Convert to fraction form
    8,144.05/11,228.93 = 6,882.88/x
  3. Step 3: Cross multiply
    8,144.05x = 11,228.93 × 6,882.88
  4. Step 4: Simplify right side
    8,144.05x = 77,287,338.78
  5. Step 5: Solve for x
    x = 77,287,338.78/8,144.05
  6. Step 6: Final answer
    x = 9,490.04

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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.