Home / 5,199.92-7,787.22-2,736.80

Finding the Fourth Proportional to 5,199.92, 7,787.22 and 2,736.80

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Solution

The fourth proportional to 5,199.92, 7,787.22 and 2,736.80 is: 4,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.92 : 7,787.22 = 2,736.80 : x
  2. Step 2: Convert to fraction form
    5,199.92/7,787.22 = 2,736.80/x
  3. Step 3: Cross multiply
    5,199.92x = 7,787.22 × 2,736.80
  4. Step 4: Simplify right side
    5,199.92x = 21,312,063.70
  5. Step 5: Solve for x
    x = 21,312,063.70/5,199.92
  6. Step 6: Final answer
    x = 4,098.54

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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.