Home / 6,517.20-8,992.80-3,722.52

Finding the Fourth Proportional to 6,517.20, 8,992.80 and 3,722.52

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Solution

The fourth proportional to 6,517.20, 8,992.80 and 3,722.52 is: 5,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.20 : 8,992.80 = 3,722.52 : x
  2. Step 2: Convert to fraction form
    6,517.20/8,992.80 = 3,722.52/x
  3. Step 3: Cross multiply
    6,517.20x = 8,992.80 × 3,722.52
  4. Step 4: Simplify right side
    6,517.20x = 33,475,877.86
  5. Step 5: Solve for x
    x = 33,475,877.86/6,517.20
  6. Step 6: Final answer
    x = 5,136.54

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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.