Home / 5,450.33-8,167.68-3,105.49

Finding the Fourth Proportional to 5,450.33, 8,167.68 and 3,105.49

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Solution

The fourth proportional to 5,450.33, 8,167.68 and 3,105.49 is: 4,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.33 : 8,167.68 = 3,105.49 : x
  2. Step 2: Convert to fraction form
    5,450.33/8,167.68 = 3,105.49/x
  3. Step 3: Cross multiply
    5,450.33x = 8,167.68 × 3,105.49
  4. Step 4: Simplify right side
    5,450.33x = 25,364,607.72
  5. Step 5: Solve for x
    x = 25,364,607.72/5,450.33
  6. Step 6: Final answer
    x = 4,653.77

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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.