Home / 6,172.12-8,517.74-3,377.88

Finding the Fourth Proportional to 6,172.12, 8,517.74 and 3,377.88

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Solution

The fourth proportional to 6,172.12, 8,517.74 and 3,377.88 is: 4,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.12 : 8,517.74 = 3,377.88 : x
  2. Step 2: Convert to fraction form
    6,172.12/8,517.74 = 3,377.88/x
  3. Step 3: Cross multiply
    6,172.12x = 8,517.74 × 3,377.88
  4. Step 4: Simplify right side
    6,172.12x = 28,771,903.59
  5. Step 5: Solve for x
    x = 28,771,903.59/6,172.12
  6. Step 6: Final answer
    x = 4,661.59

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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.