Home / 7,273.42-10,911.75-3,984.82

Finding the Fourth Proportional to 7,273.42, 10,911.75 and 3,984.82

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Solution

The fourth proportional to 7,273.42, 10,911.75 and 3,984.82 is: 5,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.42 : 10,911.75 = 3,984.82 : x
  2. Step 2: Convert to fraction form
    7,273.42/10,911.75 = 3,984.82/x
  3. Step 3: Cross multiply
    7,273.42x = 10,911.75 × 3,984.82
  4. Step 4: Simplify right side
    7,273.42x = 43,481,359.64
  5. Step 5: Solve for x
    x = 43,481,359.64/7,273.42
  6. Step 6: Final answer
    x = 5,978.12

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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.