Home / 6,172.55-8,517.57-3,654.74

Finding the Fourth Proportional to 6,172.55, 8,517.57 and 3,654.74

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Solution

The fourth proportional to 6,172.55, 8,517.57 and 3,654.74 is: 5,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.55 : 8,517.57 = 3,654.74 : x
  2. Step 2: Convert to fraction form
    6,172.55/8,517.57 = 3,654.74/x
  3. Step 3: Cross multiply
    6,172.55x = 8,517.57 × 3,654.74
  4. Step 4: Simplify right side
    6,172.55x = 31,129,503.78
  5. Step 5: Solve for x
    x = 31,129,503.78/6,172.55
  6. Step 6: Final answer
    x = 5,043.22

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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.