Home / 5,270.27-7,273.05-2,912.36

Finding the Fourth Proportional to 5,270.27, 7,273.05 and 2,912.36

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Solution

The fourth proportional to 5,270.27, 7,273.05 and 2,912.36 is: 4,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.27 : 7,273.05 = 2,912.36 : x
  2. Step 2: Convert to fraction form
    5,270.27/7,273.05 = 2,912.36/x
  3. Step 3: Cross multiply
    5,270.27x = 7,273.05 × 2,912.36
  4. Step 4: Simplify right side
    5,270.27x = 21,181,739.90
  5. Step 5: Solve for x
    x = 21,181,739.90/5,270.27
  6. Step 6: Final answer
    x = 4,019.10

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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.