Home / 5,919.14-8,168.12-3,399.50

Finding the Fourth Proportional to 5,919.14, 8,168.12 and 3,399.50

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Solution

The fourth proportional to 5,919.14, 8,168.12 and 3,399.50 is: 4,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.14 : 8,168.12 = 3,399.50 : x
  2. Step 2: Convert to fraction form
    5,919.14/8,168.12 = 3,399.50/x
  3. Step 3: Cross multiply
    5,919.14x = 8,168.12 × 3,399.50
  4. Step 4: Simplify right side
    5,919.14x = 27,767,523.94
  5. Step 5: Solve for x
    x = 27,767,523.94/5,919.14
  6. Step 6: Final answer
    x = 4,691.14

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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.