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Finding the Fourth Proportional to 8,424.44, 12,636.60 and 4,028.60

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Solution

The fourth proportional to 8,424.44, 12,636.60 and 4,028.60 is: 6,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.44 : 12,636.60 = 4,028.60 : x
  2. Step 2: Convert to fraction form
    8,424.44/12,636.60 = 4,028.60/x
  3. Step 3: Cross multiply
    8,424.44x = 12,636.60 × 4,028.60
  4. Step 4: Simplify right side
    8,424.44x = 50,907,806.76
  5. Step 5: Solve for x
    x = 50,907,806.76/8,424.44
  6. Step 6: Final answer
    x = 6,042.87

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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.