Home / 6,107.76-9,163.44-2,211.84

Finding the Fourth Proportional to 6,107.76, 9,163.44 and 2,211.84

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Solution

The fourth proportional to 6,107.76, 9,163.44 and 2,211.84 is: 3,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.76 : 9,163.44 = 2,211.84 : x
  2. Step 2: Convert to fraction form
    6,107.76/9,163.44 = 2,211.84/x
  3. Step 3: Cross multiply
    6,107.76x = 9,163.44 × 2,211.84
  4. Step 4: Simplify right side
    6,107.76x = 20,268,063.13
  5. Step 5: Solve for x
    x = 20,268,063.13/6,107.76
  6. Step 6: Final answer
    x = 3,318.41

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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.