Home / 5,279.89-7,286.25-2,922.04

Finding the Fourth Proportional to 5,279.89, 7,286.25 and 2,922.04

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Solution

The fourth proportional to 5,279.89, 7,286.25 and 2,922.04 is: 4,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.89 : 7,286.25 = 2,922.04 : x
  2. Step 2: Convert to fraction form
    5,279.89/7,286.25 = 2,922.04/x
  3. Step 3: Cross multiply
    5,279.89x = 7,286.25 × 2,922.04
  4. Step 4: Simplify right side
    5,279.89x = 21,290,713.95
  5. Step 5: Solve for x
    x = 21,290,713.95/5,279.89
  6. Step 6: Final answer
    x = 4,032.42

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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.