Home / 7,819.49-11,734.70-3,440.01

Finding the Fourth Proportional to 7,819.49, 11,734.70 and 3,440.01

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Solution

The fourth proportional to 7,819.49, 11,734.70 and 3,440.01 is: 5,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.49 : 11,734.70 = 3,440.01 : x
  2. Step 2: Convert to fraction form
    7,819.49/11,734.70 = 3,440.01/x
  3. Step 3: Cross multiply
    7,819.49x = 11,734.70 × 3,440.01
  4. Step 4: Simplify right side
    7,819.49x = 40,367,468.15
  5. Step 5: Solve for x
    x = 40,367,468.15/7,819.49
  6. Step 6: Final answer
    x = 5,162.42

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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.