Home / 4,942.85-7,414.28-2,020.47

Finding the Fourth Proportional to 4,942.85, 7,414.28 and 2,020.47

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Solution

The fourth proportional to 4,942.85, 7,414.28 and 2,020.47 is: 3,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.85 : 7,414.28 = 2,020.47 : x
  2. Step 2: Convert to fraction form
    4,942.85/7,414.28 = 2,020.47/x
  3. Step 3: Cross multiply
    4,942.85x = 7,414.28 × 2,020.47
  4. Step 4: Simplify right side
    4,942.85x = 14,980,320.21
  5. Step 5: Solve for x
    x = 14,980,320.21/4,942.85
  6. Step 6: Final answer
    x = 3,030.71

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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.