Home / 6,908.90-10,355.32-3,949.42

Finding the Fourth Proportional to 6,908.90, 10,355.32 and 3,949.42

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Solution

The fourth proportional to 6,908.90, 10,355.32 and 3,949.42 is: 5,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.90 : 10,355.32 = 3,949.42 : x
  2. Step 2: Convert to fraction form
    6,908.90/10,355.32 = 3,949.42/x
  3. Step 3: Cross multiply
    6,908.90x = 10,355.32 × 3,949.42
  4. Step 4: Simplify right side
    6,908.90x = 40,897,486.96
  5. Step 5: Solve for x
    x = 40,897,486.96/6,908.90
  6. Step 6: Final answer
    x = 5,919.54

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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.