Home / 5,940.56-8,198.88-3,702.80

Finding the Fourth Proportional to 5,940.56, 8,198.88 and 3,702.80

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Solution

The fourth proportional to 5,940.56, 8,198.88 and 3,702.80 is: 5,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.56 : 8,198.88 = 3,702.80 : x
  2. Step 2: Convert to fraction form
    5,940.56/8,198.88 = 3,702.80/x
  3. Step 3: Cross multiply
    5,940.56x = 8,198.88 × 3,702.80
  4. Step 4: Simplify right side
    5,940.56x = 30,358,812.86
  5. Step 5: Solve for x
    x = 30,358,812.86/5,940.56
  6. Step 6: Final answer
    x = 5,110.43

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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.