Home / 8,142.14-11,236.37-4,556.97

Finding the Fourth Proportional to 8,142.14, 11,236.37 and 4,556.97

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Solution

The fourth proportional to 8,142.14, 11,236.37 and 4,556.97 is: 6,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.14 : 11,236.37 = 4,556.97 : x
  2. Step 2: Convert to fraction form
    8,142.14/11,236.37 = 4,556.97/x
  3. Step 3: Cross multiply
    8,142.14x = 11,236.37 × 4,556.97
  4. Step 4: Simplify right side
    8,142.14x = 51,203,778.21
  5. Step 5: Solve for x
    x = 51,203,778.21/8,142.14
  6. Step 6: Final answer
    x = 6,288.74

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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.