Home / 8,108.56-11,189.83-4,382.56

Finding the Fourth Proportional to 8,108.56, 11,189.83 and 4,382.56

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Solution

The fourth proportional to 8,108.56, 11,189.83 and 4,382.56 is: 6,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.56 : 11,189.83 = 4,382.56 : x
  2. Step 2: Convert to fraction form
    8,108.56/11,189.83 = 4,382.56/x
  3. Step 3: Cross multiply
    8,108.56x = 11,189.83 × 4,382.56
  4. Step 4: Simplify right side
    8,108.56x = 49,040,101.36
  5. Step 5: Solve for x
    x = 49,040,101.36/8,108.56
  6. Step 6: Final answer
    x = 6,047.94

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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.