Home / 4,211.76-6,321.78-2,268.12

Finding the Fourth Proportional to 4,211.76, 6,321.78 and 2,268.12

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Solution

The fourth proportional to 4,211.76, 6,321.78 and 2,268.12 is: 3,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.76 : 6,321.78 = 2,268.12 : x
  2. Step 2: Convert to fraction form
    4,211.76/6,321.78 = 2,268.12/x
  3. Step 3: Cross multiply
    4,211.76x = 6,321.78 × 2,268.12
  4. Step 4: Simplify right side
    4,211.76x = 14,338,555.65
  5. Step 5: Solve for x
    x = 14,338,555.65/4,211.76
  6. Step 6: Final answer
    x = 3,404.41

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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.