Home / 5,611.11-8,407.38-2,486.43

Finding the Fourth Proportional to 5,611.11, 8,407.38 and 2,486.43

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Solution

The fourth proportional to 5,611.11, 8,407.38 and 2,486.43 is: 3,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.11 : 8,407.38 = 2,486.43 : x
  2. Step 2: Convert to fraction form
    5,611.11/8,407.38 = 2,486.43/x
  3. Step 3: Cross multiply
    5,611.11x = 8,407.38 × 2,486.43
  4. Step 4: Simplify right side
    5,611.11x = 20,904,361.85
  5. Step 5: Solve for x
    x = 20,904,361.85/5,611.11
  6. Step 6: Final answer
    x = 3,725.53

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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.