Home / 4,942.69-7,414.85-2,020.21

Finding the Fourth Proportional to 4,942.69, 7,414.85 and 2,020.21

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Solution

The fourth proportional to 4,942.69, 7,414.85 and 2,020.21 is: 3,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.69 : 7,414.85 = 2,020.21 : x
  2. Step 2: Convert to fraction form
    4,942.69/7,414.85 = 2,020.21/x
  3. Step 3: Cross multiply
    4,942.69x = 7,414.85 × 2,020.21
  4. Step 4: Simplify right side
    4,942.69x = 14,979,554.12
  5. Step 5: Solve for x
    x = 14,979,554.12/4,942.69
  6. Step 6: Final answer
    x = 3,030.65

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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.