Home / 8,172.73-12,263.24-3,729.90

Finding the Fourth Proportional to 8,172.73, 12,263.24 and 3,729.90

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Solution

The fourth proportional to 8,172.73, 12,263.24 and 3,729.90 is: 5,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.73 : 12,263.24 = 3,729.90 : x
  2. Step 2: Convert to fraction form
    8,172.73/12,263.24 = 3,729.90/x
  3. Step 3: Cross multiply
    8,172.73x = 12,263.24 × 3,729.90
  4. Step 4: Simplify right side
    8,172.73x = 45,740,640.23
  5. Step 5: Solve for x
    x = 45,740,640.23/8,172.73
  6. Step 6: Final answer
    x = 5,596.74

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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.