Home / 8,922.12-13,383.06-2,766.12

Finding the Fourth Proportional to 8,922.12, 13,383.06 and 2,766.12

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Solution

The fourth proportional to 8,922.12, 13,383.06 and 2,766.12 is: 4,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.12 : 13,383.06 = 2,766.12 : x
  2. Step 2: Convert to fraction form
    8,922.12/13,383.06 = 2,766.12/x
  3. Step 3: Cross multiply
    8,922.12x = 13,383.06 × 2,766.12
  4. Step 4: Simplify right side
    8,922.12x = 37,019,149.93
  5. Step 5: Solve for x
    x = 37,019,149.93/8,922.12
  6. Step 6: Final answer
    x = 4,149.14

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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.