Home / 8,255.22-12,384.88-4,097.18

Finding the Fourth Proportional to 8,255.22, 12,384.88 and 4,097.18

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Solution

The fourth proportional to 8,255.22, 12,384.88 and 4,097.18 is: 6,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.22 : 12,384.88 = 4,097.18 : x
  2. Step 2: Convert to fraction form
    8,255.22/12,384.88 = 4,097.18/x
  3. Step 3: Cross multiply
    8,255.22x = 12,384.88 × 4,097.18
  4. Step 4: Simplify right side
    8,255.22x = 50,743,082.64
  5. Step 5: Solve for x
    x = 50,743,082.64/8,255.22
  6. Step 6: Final answer
    x = 6,146.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.