Home / 8,270.26-12,405.39-3,204.34

Finding the Fourth Proportional to 8,270.26, 12,405.39 and 3,204.34

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Solution

The fourth proportional to 8,270.26, 12,405.39 and 3,204.34 is: 4,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.26 : 12,405.39 = 3,204.34 : x
  2. Step 2: Convert to fraction form
    8,270.26/12,405.39 = 3,204.34/x
  3. Step 3: Cross multiply
    8,270.26x = 12,405.39 × 3,204.34
  4. Step 4: Simplify right side
    8,270.26x = 39,751,087.39
  5. Step 5: Solve for x
    x = 39,751,087.39/8,270.26
  6. Step 6: Final answer
    x = 4,806.51

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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.