Home / 6,728.91-10,084.11-3,435.06

Finding the Fourth Proportional to 6,728.91, 10,084.11 and 3,435.06

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Solution

The fourth proportional to 6,728.91, 10,084.11 and 3,435.06 is: 5,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.91 : 10,084.11 = 3,435.06 : x
  2. Step 2: Convert to fraction form
    6,728.91/10,084.11 = 3,435.06/x
  3. Step 3: Cross multiply
    6,728.91x = 10,084.11 × 3,435.06
  4. Step 4: Simplify right side
    6,728.91x = 34,639,522.90
  5. Step 5: Solve for x
    x = 34,639,522.90/6,728.91
  6. Step 6: Final answer
    x = 5,147.87

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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.