Home / 7,962.14-11,942.34-2,119.34

Finding the Fourth Proportional to 7,962.14, 11,942.34 and 2,119.34

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Solution

The fourth proportional to 7,962.14, 11,942.34 and 2,119.34 is: 3,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.14 : 11,942.34 = 2,119.34 : x
  2. Step 2: Convert to fraction form
    7,962.14/11,942.34 = 2,119.34/x
  3. Step 3: Cross multiply
    7,962.14x = 11,942.34 × 2,119.34
  4. Step 4: Simplify right side
    7,962.14x = 25,309,819.14
  5. Step 5: Solve for x
    x = 25,309,819.14/7,962.14
  6. Step 6: Final answer
    x = 3,178.77

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1.5x scale

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.