Home / 6,383.44-9,556.62-3,910.78

Finding the Fourth Proportional to 6,383.44, 9,556.62 and 3,910.78

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Solution

The fourth proportional to 6,383.44, 9,556.62 and 3,910.78 is: 5,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.44 : 9,556.62 = 3,910.78 : x
  2. Step 2: Convert to fraction form
    6,383.44/9,556.62 = 3,910.78/x
  3. Step 3: Cross multiply
    6,383.44x = 9,556.62 × 3,910.78
  4. Step 4: Simplify right side
    6,383.44x = 37,373,838.36
  5. Step 5: Solve for x
    x = 37,373,838.36/6,383.44
  6. Step 6: Final answer
    x = 5,854.81

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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.