Home / 8,286.29-11,440.33-5,144.30

Finding the Fourth Proportional to 8,286.29, 11,440.33 and 5,144.30

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Solution

The fourth proportional to 8,286.29, 11,440.33 and 5,144.30 is: 7,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.29 : 11,440.33 = 5,144.30 : x
  2. Step 2: Convert to fraction form
    8,286.29/11,440.33 = 5,144.30/x
  3. Step 3: Cross multiply
    8,286.29x = 11,440.33 × 5,144.30
  4. Step 4: Simplify right side
    8,286.29x = 58,852,419.56
  5. Step 5: Solve for x
    x = 58,852,419.56/8,286.29
  6. Step 6: Final answer
    x = 7,102.39

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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.