Home / 6,911.38-10,366.80-3,015.73

Finding the Fourth Proportional to 6,911.38, 10,366.80 and 3,015.73

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Solution

The fourth proportional to 6,911.38, 10,366.80 and 3,015.73 is: 4,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.38 : 10,366.80 = 3,015.73 : x
  2. Step 2: Convert to fraction form
    6,911.38/10,366.80 = 3,015.73/x
  3. Step 3: Cross multiply
    6,911.38x = 10,366.80 × 3,015.73
  4. Step 4: Simplify right side
    6,911.38x = 31,263,469.76
  5. Step 5: Solve for x
    x = 31,263,469.76/6,911.38
  6. Step 6: Final answer
    x = 4,523.48

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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.