Home / 4,279.82-5,903.94-2,708.83

Finding the Fourth Proportional to 4,279.82, 5,903.94 and 2,708.83

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Solution

The fourth proportional to 4,279.82, 5,903.94 and 2,708.83 is: 3,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.82 : 5,903.94 = 2,708.83 : x
  2. Step 2: Convert to fraction form
    4,279.82/5,903.94 = 2,708.83/x
  3. Step 3: Cross multiply
    4,279.82x = 5,903.94 × 2,708.83
  4. Step 4: Simplify right side
    4,279.82x = 15,992,755.03
  5. Step 5: Solve for x
    x = 15,992,755.03/4,279.82
  6. Step 6: Final answer
    x = 3,736.78

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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.