Home / 5,212.30-7,819.91-2,094.49

Finding the Fourth Proportional to 5,212.30, 7,819.91 and 2,094.49

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Solution

The fourth proportional to 5,212.30, 7,819.91 and 2,094.49 is: 3,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.30 : 7,819.91 = 2,094.49 : x
  2. Step 2: Convert to fraction form
    5,212.30/7,819.91 = 2,094.49/x
  3. Step 3: Cross multiply
    5,212.30x = 7,819.91 × 2,094.49
  4. Step 4: Simplify right side
    5,212.30x = 16,378,712.82
  5. Step 5: Solve for x
    x = 16,378,712.82/5,212.30
  6. Step 6: Final answer
    x = 3,142.32

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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.