Home / 7,351.24-11,020.38-2,731

Finding the Fourth Proportional to 7,351.24, 11,020.38 and 2,731

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Solution

The fourth proportional to 7,351.24, 11,020.38 and 2,731 is: 4,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.24 : 11,020.38 = 2,731 : x
  2. Step 2: Convert to fraction form
    7,351.24/11,020.38 = 2,731/x
  3. Step 3: Cross multiply
    7,351.24x = 11,020.38 × 2,731
  4. Step 4: Simplify right side
    7,351.24x = 30,096,657.78
  5. Step 5: Solve for x
    x = 30,096,657.78/7,351.24
  6. Step 6: Final answer
    x = 4,094.09

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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.