Home / 6,883.92-10,328.40-2,721.60

Finding the Fourth Proportional to 6,883.92, 10,328.40 and 2,721.60

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Solution

The fourth proportional to 6,883.92, 10,328.40 and 2,721.60 is: 4,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.92 : 10,328.40 = 2,721.60 : x
  2. Step 2: Convert to fraction form
    6,883.92/10,328.40 = 2,721.60/x
  3. Step 3: Cross multiply
    6,883.92x = 10,328.40 × 2,721.60
  4. Step 4: Simplify right side
    6,883.92x = 28,109,773.44
  5. Step 5: Solve for x
    x = 28,109,773.44/6,883.92
  6. Step 6: Final answer
    x = 4,083.40

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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.