Home / 6,787.38-10,227.32-5,581.80

Finding the Fourth Proportional to 6,787.38, 10,227.32 and 5,581.80

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Solution

The fourth proportional to 6,787.38, 10,227.32 and 5,581.80 is: 8,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.38 : 10,227.32 = 5,581.80 : x
  2. Step 2: Convert to fraction form
    6,787.38/10,227.32 = 5,581.80/x
  3. Step 3: Cross multiply
    6,787.38x = 10,227.32 × 5,581.80
  4. Step 4: Simplify right side
    6,787.38x = 57,086,847.80
  5. Step 5: Solve for x
    x = 57,086,847.80/6,787.38
  6. Step 6: Final answer
    x = 8,410.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.