Home / 6,911.70-10,367.69-3,631.20

Finding the Fourth Proportional to 6,911.70, 10,367.69 and 3,631.20

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Solution

The fourth proportional to 6,911.70, 10,367.69 and 3,631.20 is: 5,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.70 : 10,367.69 = 3,631.20 : x
  2. Step 2: Convert to fraction form
    6,911.70/10,367.69 = 3,631.20/x
  3. Step 3: Cross multiply
    6,911.70x = 10,367.69 × 3,631.20
  4. Step 4: Simplify right side
    6,911.70x = 37,647,137.77
  5. Step 5: Solve for x
    x = 37,647,137.77/6,911.70
  6. Step 6: Final answer
    x = 5,446.87

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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.