Home / 5,940.81-8,198.78-3,702.96

Finding the Fourth Proportional to 5,940.81, 8,198.78 and 3,702.96

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Solution

The fourth proportional to 5,940.81, 8,198.78 and 3,702.96 is: 5,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.81 : 8,198.78 = 3,702.96 : x
  2. Step 2: Convert to fraction form
    5,940.81/8,198.78 = 3,702.96/x
  3. Step 3: Cross multiply
    5,940.81x = 8,198.78 × 3,702.96
  4. Step 4: Simplify right side
    5,940.81x = 30,359,735.87
  5. Step 5: Solve for x
    x = 30,359,735.87/5,940.81
  6. Step 6: Final answer
    x = 5,110.37

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1.5x scale

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.