Home / 6,172.44-8,517.75-3,520.70

Finding the Fourth Proportional to 6,172.44, 8,517.75 and 3,520.70

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Solution

The fourth proportional to 6,172.44, 8,517.75 and 3,520.70 is: 4,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.44 : 8,517.75 = 3,520.70 : x
  2. Step 2: Convert to fraction form
    6,172.44/8,517.75 = 3,520.70/x
  3. Step 3: Cross multiply
    6,172.44x = 8,517.75 × 3,520.70
  4. Step 4: Simplify right side
    6,172.44x = 29,988,399.84
  5. Step 5: Solve for x
    x = 29,988,399.84/6,172.44
  6. Step 6: Final answer
    x = 4,858.44

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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.