Home / 4,819.92-7,229.48-2,222.25

Finding the Fourth Proportional to 4,819.92, 7,229.48 and 2,222.25

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Solution

The fourth proportional to 4,819.92, 7,229.48 and 2,222.25 is: 3,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.92 : 7,229.48 = 2,222.25 : x
  2. Step 2: Convert to fraction form
    4,819.92/7,229.48 = 2,222.25/x
  3. Step 3: Cross multiply
    4,819.92x = 7,229.48 × 2,222.25
  4. Step 4: Simplify right side
    4,819.92x = 16,065,700.82
  5. Step 5: Solve for x
    x = 16,065,700.82/4,819.92
  6. Step 6: Final answer
    x = 3,333.19

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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.