Home / 5,914.40-8,161.92-3,396.56

Finding the Fourth Proportional to 5,914.40, 8,161.92 and 3,396.56

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Solution

The fourth proportional to 5,914.40, 8,161.92 and 3,396.56 is: 4,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.40 : 8,161.92 = 3,396.56 : x
  2. Step 2: Convert to fraction form
    5,914.40/8,161.92 = 3,396.56/x
  3. Step 3: Cross multiply
    5,914.40x = 8,161.92 × 3,396.56
  4. Step 4: Simplify right side
    5,914.40x = 27,722,451.00
  5. Step 5: Solve for x
    x = 27,722,451.00/5,914.40
  6. Step 6: Final answer
    x = 4,687.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.