Home / 10,207.22-15,310.22-2,812.73

Finding the Fourth Proportional to 10,207.22, 15,310.22 and 2,812.73

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Solution

The fourth proportional to 10,207.22, 15,310.22 and 2,812.73 is: 4,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.22 : 15,310.22 = 2,812.73 : x
  2. Step 2: Convert to fraction form
    10,207.22/15,310.22 = 2,812.73/x
  3. Step 3: Cross multiply
    10,207.22x = 15,310.22 × 2,812.73
  4. Step 4: Simplify right side
    10,207.22x = 43,063,424.49
  5. Step 5: Solve for x
    x = 43,063,424.49/10,207.22
  6. Step 6: Final answer
    x = 4,218.92

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1.5x scale

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.