Home / 4,279.81-6,414.42-2,425.31

Finding the Fourth Proportional to 4,279.81, 6,414.42 and 2,425.31

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Solution

The fourth proportional to 4,279.81, 6,414.42 and 2,425.31 is: 3,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.81 : 6,414.42 = 2,425.31 : x
  2. Step 2: Convert to fraction form
    4,279.81/6,414.42 = 2,425.31/x
  3. Step 3: Cross multiply
    4,279.81x = 6,414.42 × 2,425.31
  4. Step 4: Simplify right side
    4,279.81x = 15,556,912.77
  5. Step 5: Solve for x
    x = 15,556,912.77/4,279.81
  6. Step 6: Final answer
    x = 3,634.95

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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.