Home / 6,738.82-9,299.36-3,906.25

Finding the Fourth Proportional to 6,738.82, 9,299.36 and 3,906.25

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Solution

The fourth proportional to 6,738.82, 9,299.36 and 3,906.25 is: 5,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.82 : 9,299.36 = 3,906.25 : x
  2. Step 2: Convert to fraction form
    6,738.82/9,299.36 = 3,906.25/x
  3. Step 3: Cross multiply
    6,738.82x = 9,299.36 × 3,906.25
  4. Step 4: Simplify right side
    6,738.82x = 36,325,611.52
  5. Step 5: Solve for x
    x = 36,325,611.52/6,738.82
  6. Step 6: Final answer
    x = 5,390.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.