Home / 7,273.14-10,909.64-3,109.61

Finding the Fourth Proportional to 7,273.14, 10,909.64 and 3,109.61

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Solution

The fourth proportional to 7,273.14, 10,909.64 and 3,109.61 is: 4,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.14 : 10,909.64 = 3,109.61 : x
  2. Step 2: Convert to fraction form
    7,273.14/10,909.64 = 3,109.61/x
  3. Step 3: Cross multiply
    7,273.14x = 10,909.64 × 3,109.61
  4. Step 4: Simplify right side
    7,273.14x = 33,924,655.54
  5. Step 5: Solve for x
    x = 33,924,655.54/7,273.14
  6. Step 6: Final answer
    x = 4,664.38

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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.