Home / 7,991.37-11,027.97-4,454.49

Finding the Fourth Proportional to 7,991.37, 11,027.97 and 4,454.49

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Solution

The fourth proportional to 7,991.37, 11,027.97 and 4,454.49 is: 6,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.37 : 11,027.97 = 4,454.49 : x
  2. Step 2: Convert to fraction form
    7,991.37/11,027.97 = 4,454.49/x
  3. Step 3: Cross multiply
    7,991.37x = 11,027.97 × 4,454.49
  4. Step 4: Simplify right side
    7,991.37x = 49,123,982.09
  5. Step 5: Solve for x
    x = 49,123,982.09/7,991.37
  6. Step 6: Final answer
    x = 6,147.13

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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.