Home / 4,140.87-6,211.49-1,367.78

Finding the Fourth Proportional to 4,140.87, 6,211.49 and 1,367.78

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Solution

The fourth proportional to 4,140.87, 6,211.49 and 1,367.78 is: 2,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.87 : 6,211.49 = 1,367.78 : x
  2. Step 2: Convert to fraction form
    4,140.87/6,211.49 = 1,367.78/x
  3. Step 3: Cross multiply
    4,140.87x = 6,211.49 × 1,367.78
  4. Step 4: Simplify right side
    4,140.87x = 8,495,951.79
  5. Step 5: Solve for x
    x = 8,495,951.79/4,140.87
  6. Step 6: Final answer
    x = 2,051.73

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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.