Home / 7,997.82-11,043.96-5,018.78

Finding the Fourth Proportional to 7,997.82, 11,043.96 and 5,018.78

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Solution

The fourth proportional to 7,997.82, 11,043.96 and 5,018.78 is: 6,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.82 : 11,043.96 = 5,018.78 : x
  2. Step 2: Convert to fraction form
    7,997.82/11,043.96 = 5,018.78/x
  3. Step 3: Cross multiply
    7,997.82x = 11,043.96 × 5,018.78
  4. Step 4: Simplify right side
    7,997.82x = 55,427,205.57
  5. Step 5: Solve for x
    x = 55,427,205.57/7,997.82
  6. Step 6: Final answer
    x = 6,930.29

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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.