Home / 5,450.31-8,175.24-1,940.18

Finding the Fourth Proportional to 5,450.31, 8,175.24 and 1,940.18

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Solution

The fourth proportional to 5,450.31, 8,175.24 and 1,940.18 is: 2,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.31 : 8,175.24 = 1,940.18 : x
  2. Step 2: Convert to fraction form
    5,450.31/8,175.24 = 1,940.18/x
  3. Step 3: Cross multiply
    5,450.31x = 8,175.24 × 1,940.18
  4. Step 4: Simplify right side
    5,450.31x = 15,861,396.27
  5. Step 5: Solve for x
    x = 15,861,396.27/5,450.31
  6. Step 6: Final answer
    x = 2,910.18

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1.5x scale

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.