Home / 8,020.22-12,028.86-2,177.30

Finding the Fourth Proportional to 8,020.22, 12,028.86 and 2,177.30

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Solution

The fourth proportional to 8,020.22, 12,028.86 and 2,177.30 is: 3,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.22 : 12,028.86 = 2,177.30 : x
  2. Step 2: Convert to fraction form
    8,020.22/12,028.86 = 2,177.30/x
  3. Step 3: Cross multiply
    8,020.22x = 12,028.86 × 2,177.30
  4. Step 4: Simplify right side
    8,020.22x = 26,190,436.88
  5. Step 5: Solve for x
    x = 26,190,436.88/8,020.22
  6. Step 6: Final answer
    x = 3,265.55

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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.