Home / 5,270.44-7,273.12-2,912.52

Finding the Fourth Proportional to 5,270.44, 7,273.12 and 2,912.52

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Solution

The fourth proportional to 5,270.44, 7,273.12 and 2,912.52 is: 4,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.44 : 7,273.12 = 2,912.52 : x
  2. Step 2: Convert to fraction form
    5,270.44/7,273.12 = 2,912.52/x
  3. Step 3: Cross multiply
    5,270.44x = 7,273.12 × 2,912.52
  4. Step 4: Simplify right side
    5,270.44x = 21,183,107.46
  5. Step 5: Solve for x
    x = 21,183,107.46/5,270.44
  6. Step 6: Final answer
    x = 4,019.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.