Home / 6,863.38-9,471.98-3,838.76

Finding the Fourth Proportional to 6,863.38, 9,471.98 and 3,838.76

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Solution

The fourth proportional to 6,863.38, 9,471.98 and 3,838.76 is: 5,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.38 : 9,471.98 = 3,838.76 : x
  2. Step 2: Convert to fraction form
    6,863.38/9,471.98 = 3,838.76/x
  3. Step 3: Cross multiply
    6,863.38x = 9,471.98 × 3,838.76
  4. Step 4: Simplify right side
    6,863.38x = 36,360,657.94
  5. Step 5: Solve for x
    x = 36,360,657.94/6,863.38
  6. Step 6: Final answer
    x = 5,297.78

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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.