Home / 7,286.38-10,940.50-4,169.90

Finding the Fourth Proportional to 7,286.38, 10,940.50 and 4,169.90

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Solution

The fourth proportional to 7,286.38, 10,940.50 and 4,169.90 is: 6,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.38 : 10,940.50 = 4,169.90 : x
  2. Step 2: Convert to fraction form
    7,286.38/10,940.50 = 4,169.90/x
  3. Step 3: Cross multiply
    7,286.38x = 10,940.50 × 4,169.90
  4. Step 4: Simplify right side
    7,286.38x = 45,620,770.10
  5. Step 5: Solve for x
    x = 45,620,770.10/7,286.38
  6. Step 6: Final answer
    x = 6,261.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.