Home / 6,912.73-10,363.29-2,755.81

Finding the Fourth Proportional to 6,912.73, 10,363.29 and 2,755.81

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Solution

The fourth proportional to 6,912.73, 10,363.29 and 2,755.81 is: 4,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.73 : 10,363.29 = 2,755.81 : x
  2. Step 2: Convert to fraction form
    6,912.73/10,363.29 = 2,755.81/x
  3. Step 3: Cross multiply
    6,912.73x = 10,363.29 × 2,755.81
  4. Step 4: Simplify right side
    6,912.73x = 28,559,258.21
  5. Step 5: Solve for x
    x = 28,559,258.21/6,912.73
  6. Step 6: Final answer
    x = 4,131.40

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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.