Home / 6,819.54-10,229.01-2,139.44

Finding the Fourth Proportional to 6,819.54, 10,229.01 and 2,139.44

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Solution

The fourth proportional to 6,819.54, 10,229.01 and 2,139.44 is: 3,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.54 : 10,229.01 = 2,139.44 : x
  2. Step 2: Convert to fraction form
    6,819.54/10,229.01 = 2,139.44/x
  3. Step 3: Cross multiply
    6,819.54x = 10,229.01 × 2,139.44
  4. Step 4: Simplify right side
    6,819.54x = 21,884,302.01
  5. Step 5: Solve for x
    x = 21,884,302.01/6,819.54
  6. Step 6: Final answer
    x = 3,209.06

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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.