Home / 7,210.44-10,811.79-2,211.93

Finding the Fourth Proportional to 7,210.44, 10,811.79 and 2,211.93

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Solution

The fourth proportional to 7,210.44, 10,811.79 and 2,211.93 is: 3,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.44 : 10,811.79 = 2,211.93 : x
  2. Step 2: Convert to fraction form
    7,210.44/10,811.79 = 2,211.93/x
  3. Step 3: Cross multiply
    7,210.44x = 10,811.79 × 2,211.93
  4. Step 4: Simplify right side
    7,210.44x = 23,914,922.65
  5. Step 5: Solve for x
    x = 23,914,922.65/7,210.44
  6. Step 6: Final answer
    x = 3,316.71

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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.