Home / 4,168.26-6,251.40-1,245.78

Finding the Fourth Proportional to 4,168.26, 6,251.40 and 1,245.78

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Solution

The fourth proportional to 4,168.26, 6,251.40 and 1,245.78 is: 1,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.26 : 6,251.40 = 1,245.78 : x
  2. Step 2: Convert to fraction form
    4,168.26/6,251.40 = 1,245.78/x
  3. Step 3: Cross multiply
    4,168.26x = 6,251.40 × 1,245.78
  4. Step 4: Simplify right side
    4,168.26x = 7,787,869.09
  5. Step 5: Solve for x
    x = 7,787,869.09/4,168.26
  6. Step 6: Final answer
    x = 1,868.37

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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.