Home / 4,188.39-6,286.23-2,729.18

Finding the Fourth Proportional to 4,188.39, 6,286.23 and 2,729.18

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Solution

The fourth proportional to 4,188.39, 6,286.23 and 2,729.18 is: 4,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.39 : 6,286.23 = 2,729.18 : x
  2. Step 2: Convert to fraction form
    4,188.39/6,286.23 = 2,729.18/x
  3. Step 3: Cross multiply
    4,188.39x = 6,286.23 × 2,729.18
  4. Step 4: Simplify right side
    4,188.39x = 17,156,221.76
  5. Step 5: Solve for x
    x = 17,156,221.76/4,188.39
  6. Step 6: Final answer
    x = 4,096.14

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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.