Home / 5,240.49-7,863.06-2,122.73

Finding the Fourth Proportional to 5,240.49, 7,863.06 and 2,122.73

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Solution

The fourth proportional to 5,240.49, 7,863.06 and 2,122.73 is: 3,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.49 : 7,863.06 = 2,122.73 : x
  2. Step 2: Convert to fraction form
    5,240.49/7,863.06 = 2,122.73/x
  3. Step 3: Cross multiply
    5,240.49x = 7,863.06 × 2,122.73
  4. Step 4: Simplify right side
    5,240.49x = 16,691,114.04
  5. Step 5: Solve for x
    x = 16,691,114.04/5,240.49
  6. Step 6: Final answer
    x = 3,185.03

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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.