Home / 4,279.06-5,902.22-3,219.58

Finding the Fourth Proportional to 4,279.06, 5,902.22 and 3,219.58

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Solution

The fourth proportional to 4,279.06, 5,902.22 and 3,219.58 is: 4,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.06 : 5,902.22 = 3,219.58 : x
  2. Step 2: Convert to fraction form
    4,279.06/5,902.22 = 3,219.58/x
  3. Step 3: Cross multiply
    4,279.06x = 5,902.22 × 3,219.58
  4. Step 4: Simplify right side
    4,279.06x = 19,002,669.47
  5. Step 5: Solve for x
    x = 19,002,669.47/4,279.06
  6. Step 6: Final answer
    x = 4,440.85

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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.