Home / 5,270.63-7,273.37-2,912.72

Finding the Fourth Proportional to 5,270.63, 7,273.37 and 2,912.72

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Solution

The fourth proportional to 5,270.63, 7,273.37 and 2,912.72 is: 4,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.63 : 7,273.37 = 2,912.72 : x
  2. Step 2: Convert to fraction form
    5,270.63/7,273.37 = 2,912.72/x
  3. Step 3: Cross multiply
    5,270.63x = 7,273.37 × 2,912.72
  4. Step 4: Simplify right side
    5,270.63x = 21,185,239.34
  5. Step 5: Solve for x
    x = 21,185,239.34/5,270.63
  6. Step 6: Final answer
    x = 4,019.49

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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.