Home / 5,122.91-7,682.85-2,200.53

Finding the Fourth Proportional to 5,122.91, 7,682.85 and 2,200.53

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Solution

The fourth proportional to 5,122.91, 7,682.85 and 2,200.53 is: 3,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.91 : 7,682.85 = 2,200.53 : x
  2. Step 2: Convert to fraction form
    5,122.91/7,682.85 = 2,200.53/x
  3. Step 3: Cross multiply
    5,122.91x = 7,682.85 × 2,200.53
  4. Step 4: Simplify right side
    5,122.91x = 16,906,350.11
  5. Step 5: Solve for x
    x = 16,906,350.11/5,122.91
  6. Step 6: Final answer
    x = 3,300.15

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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.