Home / 5,179.29-7,768.82-1,481.49

Finding the Fourth Proportional to 5,179.29, 7,768.82 and 1,481.49

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Solution

The fourth proportional to 5,179.29, 7,768.82 and 1,481.49 is: 2,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.29 : 7,768.82 = 1,481.49 : x
  2. Step 2: Convert to fraction form
    5,179.29/7,768.82 = 1,481.49/x
  3. Step 3: Cross multiply
    5,179.29x = 7,768.82 × 1,481.49
  4. Step 4: Simplify right side
    5,179.29x = 11,509,432.85
  5. Step 5: Solve for x
    x = 11,509,432.85/5,179.29
  6. Step 6: Final answer
    x = 2,222.20

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1.5x scale

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.