Home / 8,340.84-12,517.43-3,958.34

Finding the Fourth Proportional to 8,340.84, 12,517.43 and 3,958.34

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Solution

The fourth proportional to 8,340.84, 12,517.43 and 3,958.34 is: 5,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.84 : 12,517.43 = 3,958.34 : x
  2. Step 2: Convert to fraction form
    8,340.84/12,517.43 = 3,958.34/x
  3. Step 3: Cross multiply
    8,340.84x = 12,517.43 × 3,958.34
  4. Step 4: Simplify right side
    8,340.84x = 49,548,161.49
  5. Step 5: Solve for x
    x = 49,548,161.49/8,340.84
  6. Step 6: Final answer
    x = 5,940.43

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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.