Home / 6,172.19-8,517.86-3,377.69

Finding the Fourth Proportional to 6,172.19, 8,517.86 and 3,377.69

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Solution

The fourth proportional to 6,172.19, 8,517.86 and 3,377.69 is: 4,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.19 : 8,517.86 = 3,377.69 : x
  2. Step 2: Convert to fraction form
    6,172.19/8,517.86 = 3,377.69/x
  3. Step 3: Cross multiply
    6,172.19x = 8,517.86 × 3,377.69
  4. Step 4: Simplify right side
    6,172.19x = 28,770,690.54
  5. Step 5: Solve for x
    x = 28,770,690.54/6,172.19
  6. Step 6: Final answer
    x = 4,661.34

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Half scale
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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.