Home / 6,889.46-10,333.92-2,939.09

Finding the Fourth Proportional to 6,889.46, 10,333.92 and 2,939.09

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Solution

The fourth proportional to 6,889.46, 10,333.92 and 2,939.09 is: 4,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.46 : 10,333.92 = 2,939.09 : x
  2. Step 2: Convert to fraction form
    6,889.46/10,333.92 = 2,939.09/x
  3. Step 3: Cross multiply
    6,889.46x = 10,333.92 × 2,939.09
  4. Step 4: Simplify right side
    6,889.46x = 30,372,320.93
  5. Step 5: Solve for x
    x = 30,372,320.93/6,889.46
  6. Step 6: Final answer
    x = 4,408.52

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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.