Home / 4,930.13-7,391.54-2,981.90

Finding the Fourth Proportional to 4,930.13, 7,391.54 and 2,981.90

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Solution

The fourth proportional to 4,930.13, 7,391.54 and 2,981.90 is: 4,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.13 : 7,391.54 = 2,981.90 : x
  2. Step 2: Convert to fraction form
    4,930.13/7,391.54 = 2,981.90/x
  3. Step 3: Cross multiply
    4,930.13x = 7,391.54 × 2,981.90
  4. Step 4: Simplify right side
    4,930.13x = 22,040,833.13
  5. Step 5: Solve for x
    x = 22,040,833.13/4,930.13
  6. Step 6: Final answer
    x = 4,470.64

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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.