Home / 5,286.80-7,296.08-3,049.04

Finding the Fourth Proportional to 5,286.80, 7,296.08 and 3,049.04

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Solution

The fourth proportional to 5,286.80, 7,296.08 and 3,049.04 is: 4,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.80 : 7,296.08 = 3,049.04 : x
  2. Step 2: Convert to fraction form
    5,286.80/7,296.08 = 3,049.04/x
  3. Step 3: Cross multiply
    5,286.80x = 7,296.08 × 3,049.04
  4. Step 4: Simplify right side
    5,286.80x = 22,246,039.76
  5. Step 5: Solve for x
    x = 22,246,039.76/5,286.80
  6. Step 6: Final answer
    x = 4,207.85

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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.