Home / 7,414.66-11,121.60-1,868

Finding the Fourth Proportional to 7,414.66, 11,121.60 and 1,868

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Solution

The fourth proportional to 7,414.66, 11,121.60 and 1,868 is: 2,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.66 : 11,121.60 = 1,868 : x
  2. Step 2: Convert to fraction form
    7,414.66/11,121.60 = 1,868/x
  3. Step 3: Cross multiply
    7,414.66x = 11,121.60 × 1,868
  4. Step 4: Simplify right side
    7,414.66x = 20,775,148.80
  5. Step 5: Solve for x
    x = 20,775,148.80/7,414.66
  6. Step 6: Final answer
    x = 2,801.90

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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.