Home / 7,741.22-11,611.82-2,194.61

Finding the Fourth Proportional to 7,741.22, 11,611.82 and 2,194.61

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Solution

The fourth proportional to 7,741.22, 11,611.82 and 2,194.61 is: 3,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.22 : 11,611.82 = 2,194.61 : x
  2. Step 2: Convert to fraction form
    7,741.22/11,611.82 = 2,194.61/x
  3. Step 3: Cross multiply
    7,741.22x = 11,611.82 × 2,194.61
  4. Step 4: Simplify right side
    7,741.22x = 25,483,363.72
  5. Step 5: Solve for x
    x = 25,483,363.72/7,741.22
  6. Step 6: Final answer
    x = 3,291.91

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Similar ratio
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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.