Home / 6,821.76-10,224.96-3,361.44

Finding the Fourth Proportional to 6,821.76, 10,224.96 and 3,361.44

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Solution

The fourth proportional to 6,821.76, 10,224.96 and 3,361.44 is: 5,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.76 : 10,224.96 = 3,361.44 : x
  2. Step 2: Convert to fraction form
    6,821.76/10,224.96 = 3,361.44/x
  3. Step 3: Cross multiply
    6,821.76x = 10,224.96 × 3,361.44
  4. Step 4: Simplify right side
    6,821.76x = 34,370,589.54
  5. Step 5: Solve for x
    x = 34,370,589.54/6,821.76
  6. Step 6: Final answer
    x = 5,038.38

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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.