Home / 7,937.25-11,905.24-3,984.47

Finding the Fourth Proportional to 7,937.25, 11,905.24 and 3,984.47

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Solution

The fourth proportional to 7,937.25, 11,905.24 and 3,984.47 is: 5,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.25 : 11,905.24 = 3,984.47 : x
  2. Step 2: Convert to fraction form
    7,937.25/11,905.24 = 3,984.47/x
  3. Step 3: Cross multiply
    7,937.25x = 11,905.24 × 3,984.47
  4. Step 4: Simplify right side
    7,937.25x = 47,436,071.62
  5. Step 5: Solve for x
    x = 47,436,071.62/7,937.25
  6. Step 6: Final answer
    x = 5,976.39

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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.