Home / 6,611.22-9,120.60-4,092.66

Finding the Fourth Proportional to 6,611.22, 9,120.60 and 4,092.66

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Solution

The fourth proportional to 6,611.22, 9,120.60 and 4,092.66 is: 5,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.22 : 9,120.60 = 4,092.66 : x
  2. Step 2: Convert to fraction form
    6,611.22/9,120.60 = 4,092.66/x
  3. Step 3: Cross multiply
    6,611.22x = 9,120.60 × 4,092.66
  4. Step 4: Simplify right side
    6,611.22x = 37,327,514.80
  5. Step 5: Solve for x
    x = 37,327,514.80/6,611.22
  6. Step 6: Final answer
    x = 5,646.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.