Home / 4,815.05-7,224.39-2,217.38

Finding the Fourth Proportional to 4,815.05, 7,224.39 and 2,217.38

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Solution

The fourth proportional to 4,815.05, 7,224.39 and 2,217.38 is: 3,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.05 : 7,224.39 = 2,217.38 : x
  2. Step 2: Convert to fraction form
    4,815.05/7,224.39 = 2,217.38/x
  3. Step 3: Cross multiply
    4,815.05x = 7,224.39 × 2,217.38
  4. Step 4: Simplify right side
    4,815.05x = 16,019,181.78
  5. Step 5: Solve for x
    x = 16,019,181.78/4,815.05
  6. Step 6: Final answer
    x = 3,326.90

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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.