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Finding the Fourth Proportional to 6,611.66, 9,917.97 and 2,227.66

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Solution

The fourth proportional to 6,611.66, 9,917.97 and 2,227.66 is: 3,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.66 : 9,917.97 = 2,227.66 : x
  2. Step 2: Convert to fraction form
    6,611.66/9,917.97 = 2,227.66/x
  3. Step 3: Cross multiply
    6,611.66x = 9,917.97 × 2,227.66
  4. Step 4: Simplify right side
    6,611.66x = 22,093,865.05
  5. Step 5: Solve for x
    x = 22,093,865.05/6,611.66
  6. Step 6: Final answer
    x = 3,341.65

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1.5x scale

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.