Home / 8,075.27-12,112.89-2,231.88

Finding the Fourth Proportional to 8,075.27, 12,112.89 and 2,231.88

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Solution

The fourth proportional to 8,075.27, 12,112.89 and 2,231.88 is: 3,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.27 : 12,112.89 = 2,231.88 : x
  2. Step 2: Convert to fraction form
    8,075.27/12,112.89 = 2,231.88/x
  3. Step 3: Cross multiply
    8,075.27x = 12,112.89 × 2,231.88
  4. Step 4: Simplify right side
    8,075.27x = 27,034,516.93
  5. Step 5: Solve for x
    x = 27,034,516.93/8,075.27
  6. Step 6: Final answer
    x = 3,347.82

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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.