Home / 5,672.13-8,512.80-2,750.43

Finding the Fourth Proportional to 5,672.13, 8,512.80 and 2,750.43

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Solution

The fourth proportional to 5,672.13, 8,512.80 and 2,750.43 is: 4,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.13 : 8,512.80 = 2,750.43 : x
  2. Step 2: Convert to fraction form
    5,672.13/8,512.80 = 2,750.43/x
  3. Step 3: Cross multiply
    5,672.13x = 8,512.80 × 2,750.43
  4. Step 4: Simplify right side
    5,672.13x = 23,413,860.50
  5. Step 5: Solve for x
    x = 23,413,860.50/5,672.13
  6. Step 6: Final answer
    x = 4,127.88

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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.