Home / 6,640.36-9,961.50-2,022.76

Finding the Fourth Proportional to 6,640.36, 9,961.50 and 2,022.76

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Solution

The fourth proportional to 6,640.36, 9,961.50 and 2,022.76 is: 3,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.36 : 9,961.50 = 2,022.76 : x
  2. Step 2: Convert to fraction form
    6,640.36/9,961.50 = 2,022.76/x
  3. Step 3: Cross multiply
    6,640.36x = 9,961.50 × 2,022.76
  4. Step 4: Simplify right side
    6,640.36x = 20,149,723.74
  5. Step 5: Solve for x
    x = 20,149,723.74/6,640.36
  6. Step 6: Final answer
    x = 3,034.43

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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.