Home / 8,179.95-12,270.05-2,336.55

Finding the Fourth Proportional to 8,179.95, 12,270.05 and 2,336.55

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Solution

The fourth proportional to 8,179.95, 12,270.05 and 2,336.55 is: 3,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.95 : 12,270.05 = 2,336.55 : x
  2. Step 2: Convert to fraction form
    8,179.95/12,270.05 = 2,336.55/x
  3. Step 3: Cross multiply
    8,179.95x = 12,270.05 × 2,336.55
  4. Step 4: Simplify right side
    8,179.95x = 28,669,536.39
  5. Step 5: Solve for x
    x = 28,669,536.39/8,179.95
  6. Step 6: Final answer
    x = 3,504.85

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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.