Home / 6,828.96-10,243.68-2,212

Finding the Fourth Proportional to 6,828.96, 10,243.68 and 2,212

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Solution

The fourth proportional to 6,828.96, 10,243.68 and 2,212 is: 3,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.96 : 10,243.68 = 2,212 : x
  2. Step 2: Convert to fraction form
    6,828.96/10,243.68 = 2,212/x
  3. Step 3: Cross multiply
    6,828.96x = 10,243.68 × 2,212
  4. Step 4: Simplify right side
    6,828.96x = 22,659,020.16
  5. Step 5: Solve for x
    x = 22,659,020.16/6,828.96
  6. Step 6: Final answer
    x = 3,318.08

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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.