Home / 9,755.96-13,463.25-5,279.75

Finding the Fourth Proportional to 9,755.96, 13,463.25 and 5,279.75

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Solution

The fourth proportional to 9,755.96, 13,463.25 and 5,279.75 is: 7,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.96 : 13,463.25 = 5,279.75 : x
  2. Step 2: Convert to fraction form
    9,755.96/13,463.25 = 5,279.75/x
  3. Step 3: Cross multiply
    9,755.96x = 13,463.25 × 5,279.75
  4. Step 4: Simplify right side
    9,755.96x = 71,082,608.05
  5. Step 5: Solve for x
    x = 71,082,608.05/9,755.96
  6. Step 6: Final answer
    x = 7,286.07

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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.