Home / 5,909.97-8,865.18-2,211.81

Finding the Fourth Proportional to 5,909.97, 8,865.18 and 2,211.81

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Solution

The fourth proportional to 5,909.97, 8,865.18 and 2,211.81 is: 3,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.97 : 8,865.18 = 2,211.81 : x
  2. Step 2: Convert to fraction form
    5,909.97/8,865.18 = 2,211.81/x
  3. Step 3: Cross multiply
    5,909.97x = 8,865.18 × 2,211.81
  4. Step 4: Simplify right side
    5,909.97x = 19,608,093.78
  5. Step 5: Solve for x
    x = 19,608,093.78/5,909.97
  6. Step 6: Final answer
    x = 3,317.80

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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.