Home / 4,142.25-6,213.78-1,367.79

Finding the Fourth Proportional to 4,142.25, 6,213.78 and 1,367.79

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Solution

The fourth proportional to 4,142.25, 6,213.78 and 1,367.79 is: 2,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.25 : 6,213.78 = 1,367.79 : x
  2. Step 2: Convert to fraction form
    4,142.25/6,213.78 = 1,367.79/x
  3. Step 3: Cross multiply
    4,142.25x = 6,213.78 × 1,367.79
  4. Step 4: Simplify right side
    4,142.25x = 8,499,146.15
  5. Step 5: Solve for x
    x = 8,499,146.15/4,142.25
  6. Step 6: Final answer
    x = 2,051.82

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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.