Home / 6,172.12-8,517.60-3,377.62

Finding the Fourth Proportional to 6,172.12, 8,517.60 and 3,377.62

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Solution

The fourth proportional to 6,172.12, 8,517.60 and 3,377.62 is: 4,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.12 : 8,517.60 = 3,377.62 : x
  2. Step 2: Convert to fraction form
    6,172.12/8,517.60 = 3,377.62/x
  3. Step 3: Cross multiply
    6,172.12x = 8,517.60 × 3,377.62
  4. Step 4: Simplify right side
    6,172.12x = 28,769,216.11
  5. Step 5: Solve for x
    x = 28,769,216.11/6,172.12
  6. Step 6: Final answer
    x = 4,661.16

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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.