Home / 8,370.70-12,546.51-3,981.94

Finding the Fourth Proportional to 8,370.70, 12,546.51 and 3,981.94

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Solution

The fourth proportional to 8,370.70, 12,546.51 and 3,981.94 is: 5,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.70 : 12,546.51 = 3,981.94 : x
  2. Step 2: Convert to fraction form
    8,370.70/12,546.51 = 3,981.94/x
  3. Step 3: Cross multiply
    8,370.70x = 12,546.51 × 3,981.94
  4. Step 4: Simplify right side
    8,370.70x = 49,959,450.03
  5. Step 5: Solve for x
    x = 49,959,450.03/8,370.70
  6. Step 6: Final answer
    x = 5,968.37

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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.