Home / 5,195.20-7,792.98-1,299.82

Finding the Fourth Proportional to 5,195.20, 7,792.98 and 1,299.82

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Solution

The fourth proportional to 5,195.20, 7,792.98 and 1,299.82 is: 1,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.20 : 7,792.98 = 1,299.82 : x
  2. Step 2: Convert to fraction form
    5,195.20/7,792.98 = 1,299.82/x
  3. Step 3: Cross multiply
    5,195.20x = 7,792.98 × 1,299.82
  4. Step 4: Simplify right side
    5,195.20x = 10,129,471.26
  5. Step 5: Solve for x
    x = 10,129,471.26/5,195.20
  6. Step 6: Final answer
    x = 1,949.78

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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.