Home / 6,895.45-9,516.92-3,910.69

Finding the Fourth Proportional to 6,895.45, 9,516.92 and 3,910.69

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Solution

The fourth proportional to 6,895.45, 9,516.92 and 3,910.69 is: 5,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.45 : 9,516.92 = 3,910.69 : x
  2. Step 2: Convert to fraction form
    6,895.45/9,516.92 = 3,910.69/x
  3. Step 3: Cross multiply
    6,895.45x = 9,516.92 × 3,910.69
  4. Step 4: Simplify right side
    6,895.45x = 37,217,723.87
  5. Step 5: Solve for x
    x = 37,217,723.87/6,895.45
  6. Step 6: Final answer
    x = 5,397.43

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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.