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Finding the Fourth Proportional to 6,338.79, 9,508.19 and 1,956.15

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Solution

The fourth proportional to 6,338.79, 9,508.19 and 1,956.15 is: 2,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.79 : 9,508.19 = 1,956.15 : x
  2. Step 2: Convert to fraction form
    6,338.79/9,508.19 = 1,956.15/x
  3. Step 3: Cross multiply
    6,338.79x = 9,508.19 × 1,956.15
  4. Step 4: Simplify right side
    6,338.79x = 18,599,436.09
  5. Step 5: Solve for x
    x = 18,599,436.09/6,338.79
  6. Step 6: Final answer
    x = 2,934.23

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Similar ratio
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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.