Home / 8,961.75-13,441.75-2,721.81

Finding the Fourth Proportional to 8,961.75, 13,441.75 and 2,721.81

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Solution

The fourth proportional to 8,961.75, 13,441.75 and 2,721.81 is: 4,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.75 : 13,441.75 = 2,721.81 : x
  2. Step 2: Convert to fraction form
    8,961.75/13,441.75 = 2,721.81/x
  3. Step 3: Cross multiply
    8,961.75x = 13,441.75 × 2,721.81
  4. Step 4: Simplify right side
    8,961.75x = 36,585,889.57
  5. Step 5: Solve for x
    x = 36,585,889.57/8,961.75
  6. Step 6: Final answer
    x = 4,082.45

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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.