Home / 7,819.92-11,736.90-3,926.52

Finding the Fourth Proportional to 7,819.92, 11,736.90 and 3,926.52

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Solution

The fourth proportional to 7,819.92, 11,736.90 and 3,926.52 is: 5,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.92 : 11,736.90 = 3,926.52 : x
  2. Step 2: Convert to fraction form
    7,819.92/11,736.90 = 3,926.52/x
  3. Step 3: Cross multiply
    7,819.92x = 11,736.90 × 3,926.52
  4. Step 4: Simplify right side
    7,819.92x = 46,085,172.59
  5. Step 5: Solve for x
    x = 46,085,172.59/7,819.92
  6. Step 6: Final answer
    x = 5,893.30

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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.