Home / 8,180.80-12,272.34-4,020.97

Finding the Fourth Proportional to 8,180.80, 12,272.34 and 4,020.97

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Solution

The fourth proportional to 8,180.80, 12,272.34 and 4,020.97 is: 6,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.80 : 12,272.34 = 4,020.97 : x
  2. Step 2: Convert to fraction form
    8,180.80/12,272.34 = 4,020.97/x
  3. Step 3: Cross multiply
    8,180.80x = 12,272.34 × 4,020.97
  4. Step 4: Simplify right side
    8,180.80x = 49,346,649.94
  5. Step 5: Solve for x
    x = 49,346,649.94/8,180.80
  6. Step 6: Final answer
    x = 6,032.01

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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.