Home / 4,286.22-6,428.84-1,819.22

Finding the Fourth Proportional to 4,286.22, 6,428.84 and 1,819.22

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Solution

The fourth proportional to 4,286.22, 6,428.84 and 1,819.22 is: 2,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.22 : 6,428.84 = 1,819.22 : x
  2. Step 2: Convert to fraction form
    4,286.22/6,428.84 = 1,819.22/x
  3. Step 3: Cross multiply
    4,286.22x = 6,428.84 × 1,819.22
  4. Step 4: Simplify right side
    4,286.22x = 11,695,433.06
  5. Step 5: Solve for x
    x = 11,695,433.06/4,286.22
  6. Step 6: Final answer
    x = 2,728.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.