Home / 8,112.43-11,198.91-4,754.80

Finding the Fourth Proportional to 8,112.43, 11,198.91 and 4,754.80

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Solution

The fourth proportional to 8,112.43, 11,198.91 and 4,754.80 is: 6,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.43 : 11,198.91 = 4,754.80 : x
  2. Step 2: Convert to fraction form
    8,112.43/11,198.91 = 4,754.80/x
  3. Step 3: Cross multiply
    8,112.43x = 11,198.91 × 4,754.80
  4. Step 4: Simplify right side
    8,112.43x = 53,248,577.27
  5. Step 5: Solve for x
    x = 53,248,577.27/8,112.43
  6. Step 6: Final answer
    x = 6,563.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.