Home / 8,351.16-12,517.78-2,799.40

Finding the Fourth Proportional to 8,351.16, 12,517.78 and 2,799.40

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Solution

The fourth proportional to 8,351.16, 12,517.78 and 2,799.40 is: 4,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.16 : 12,517.78 = 2,799.40 : x
  2. Step 2: Convert to fraction form
    8,351.16/12,517.78 = 2,799.40/x
  3. Step 3: Cross multiply
    8,351.16x = 12,517.78 × 2,799.40
  4. Step 4: Simplify right side
    8,351.16x = 35,042,273.33
  5. Step 5: Solve for x
    x = 35,042,273.33/8,351.16
  6. Step 6: Final answer
    x = 4,196.10

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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.