Home / 8,344.95-12,518.43-3,961.36

Finding the Fourth Proportional to 8,344.95, 12,518.43 and 3,961.36

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Solution

The fourth proportional to 8,344.95, 12,518.43 and 3,961.36 is: 5,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.95 : 12,518.43 = 3,961.36 : x
  2. Step 2: Convert to fraction form
    8,344.95/12,518.43 = 3,961.36/x
  3. Step 3: Cross multiply
    8,344.95x = 12,518.43 × 3,961.36
  4. Step 4: Simplify right side
    8,344.95x = 49,590,007.86
  5. Step 5: Solve for x
    x = 49,590,007.86/8,344.95
  6. Step 6: Final answer
    x = 5,942.52

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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.