Home / 4,207.12-6,310.78-2,013.44

Finding the Fourth Proportional to 4,207.12, 6,310.78 and 2,013.44

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Solution

The fourth proportional to 4,207.12, 6,310.78 and 2,013.44 is: 3,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.12 : 6,310.78 = 2,013.44 : x
  2. Step 2: Convert to fraction form
    4,207.12/6,310.78 = 2,013.44/x
  3. Step 3: Cross multiply
    4,207.12x = 6,310.78 × 2,013.44
  4. Step 4: Simplify right side
    4,207.12x = 12,706,340.30
  5. Step 5: Solve for x
    x = 12,706,340.30/4,207.12
  6. Step 6: Final answer
    x = 3,020.20

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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.