Home / 5,919.46-8,169.12-3,402.38

Finding the Fourth Proportional to 5,919.46, 8,169.12 and 3,402.38

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Solution

The fourth proportional to 5,919.46, 8,169.12 and 3,402.38 is: 4,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.46 : 8,169.12 = 3,402.38 : x
  2. Step 2: Convert to fraction form
    5,919.46/8,169.12 = 3,402.38/x
  3. Step 3: Cross multiply
    5,919.46x = 8,169.12 × 3,402.38
  4. Step 4: Simplify right side
    5,919.46x = 27,794,450.51
  5. Step 5: Solve for x
    x = 27,794,450.51/5,919.46
  6. Step 6: Final answer
    x = 4,695.44

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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.