Home / 8,851.66-13,279.77-2,611.42

Finding the Fourth Proportional to 8,851.66, 13,279.77 and 2,611.42

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Solution

The fourth proportional to 8,851.66, 13,279.77 and 2,611.42 is: 3,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.66 : 13,279.77 = 2,611.42 : x
  2. Step 2: Convert to fraction form
    8,851.66/13,279.77 = 2,611.42/x
  3. Step 3: Cross multiply
    8,851.66x = 13,279.77 × 2,611.42
  4. Step 4: Simplify right side
    8,851.66x = 34,679,056.97
  5. Step 5: Solve for x
    x = 34,679,056.97/8,851.66
  6. Step 6: Final answer
    x = 3,917.80

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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.