Home / 6,889.78-10,335.36-2,208.62

Finding the Fourth Proportional to 6,889.78, 10,335.36 and 2,208.62

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Solution

The fourth proportional to 6,889.78, 10,335.36 and 2,208.62 is: 3,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.78 : 10,335.36 = 2,208.62 : x
  2. Step 2: Convert to fraction form
    6,889.78/10,335.36 = 2,208.62/x
  3. Step 3: Cross multiply
    6,889.78x = 10,335.36 × 2,208.62
  4. Step 4: Simplify right side
    6,889.78x = 22,826,882.80
  5. Step 5: Solve for x
    x = 22,826,882.80/6,889.78
  6. Step 6: Final answer
    x = 3,313.15

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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.