Home / 4,930.10-6,799.68-3,161.87

Finding the Fourth Proportional to 4,930.10, 6,799.68 and 3,161.87

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Solution

The fourth proportional to 4,930.10, 6,799.68 and 3,161.87 is: 4,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.10 : 6,799.68 = 3,161.87 : x
  2. Step 2: Convert to fraction form
    4,930.10/6,799.68 = 3,161.87/x
  3. Step 3: Cross multiply
    4,930.10x = 6,799.68 × 3,161.87
  4. Step 4: Simplify right side
    4,930.10x = 21,499,695.70
  5. Step 5: Solve for x
    x = 21,499,695.70/4,930.10
  6. Step 6: Final answer
    x = 4,360.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.