Home / 7,216.35-10,824.90-3,521.73

Finding the Fourth Proportional to 7,216.35, 10,824.90 and 3,521.73

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Solution

The fourth proportional to 7,216.35, 10,824.90 and 3,521.73 is: 5,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.35 : 10,824.90 = 3,521.73 : x
  2. Step 2: Convert to fraction form
    7,216.35/10,824.90 = 3,521.73/x
  3. Step 3: Cross multiply
    7,216.35x = 10,824.90 × 3,521.73
  4. Step 4: Simplify right side
    7,216.35x = 38,122,375.08
  5. Step 5: Solve for x
    x = 38,122,375.08/7,216.35
  6. Step 6: Final answer
    x = 5,282.78

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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.