Home / 5,661.56-8,489.09-2,194.76

Finding the Fourth Proportional to 5,661.56, 8,489.09 and 2,194.76

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Solution

The fourth proportional to 5,661.56, 8,489.09 and 2,194.76 is: 3,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.56 : 8,489.09 = 2,194.76 : x
  2. Step 2: Convert to fraction form
    5,661.56/8,489.09 = 2,194.76/x
  3. Step 3: Cross multiply
    5,661.56x = 8,489.09 × 2,194.76
  4. Step 4: Simplify right side
    5,661.56x = 18,631,461.75
  5. Step 5: Solve for x
    x = 18,631,461.75/5,661.56
  6. Step 6: Final answer
    x = 3,290.87

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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.