Home / 6,171.92-8,517.48-3,377.60

Finding the Fourth Proportional to 6,171.92, 8,517.48 and 3,377.60

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Solution

The fourth proportional to 6,171.92, 8,517.48 and 3,377.60 is: 4,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.92 : 8,517.48 = 3,377.60 : x
  2. Step 2: Convert to fraction form
    6,171.92/8,517.48 = 3,377.60/x
  3. Step 3: Cross multiply
    6,171.92x = 8,517.48 × 3,377.60
  4. Step 4: Simplify right side
    6,171.92x = 28,768,640.45
  5. Step 5: Solve for x
    x = 28,768,640.45/6,171.92
  6. Step 6: Final answer
    x = 4,661.21

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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.