Home / 8,021.39-11,076.62-5,042.21

Finding the Fourth Proportional to 8,021.39, 11,076.62 and 5,042.21

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Solution

The fourth proportional to 8,021.39, 11,076.62 and 5,042.21 is: 6,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.39 : 11,076.62 = 5,042.21 : x
  2. Step 2: Convert to fraction form
    8,021.39/11,076.62 = 5,042.21/x
  3. Step 3: Cross multiply
    8,021.39x = 11,076.62 × 5,042.21
  4. Step 4: Simplify right side
    8,021.39x = 55,850,563.54
  5. Step 5: Solve for x
    x = 55,850,563.54/8,021.39
  6. Step 6: Final answer
    x = 6,962.71

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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.