Home / 5,279.85-7,286.27-2,922.03

Finding the Fourth Proportional to 5,279.85, 7,286.27 and 2,922.03

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Solution

The fourth proportional to 5,279.85, 7,286.27 and 2,922.03 is: 4,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.85 : 7,286.27 = 2,922.03 : x
  2. Step 2: Convert to fraction form
    5,279.85/7,286.27 = 2,922.03/x
  3. Step 3: Cross multiply
    5,279.85x = 7,286.27 × 2,922.03
  4. Step 4: Simplify right side
    5,279.85x = 21,290,684.92
  5. Step 5: Solve for x
    x = 21,290,684.92/5,279.85
  6. Step 6: Final answer
    x = 4,032.44

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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.