Home / 9,863.79-14,790.20-3,286.39

Finding the Fourth Proportional to 9,863.79, 14,790.20 and 3,286.39

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Solution

The fourth proportional to 9,863.79, 14,790.20 and 3,286.39 is: 4,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.79 : 14,790.20 = 3,286.39 : x
  2. Step 2: Convert to fraction form
    9,863.79/14,790.20 = 3,286.39/x
  3. Step 3: Cross multiply
    9,863.79x = 14,790.20 × 3,286.39
  4. Step 4: Simplify right side
    9,863.79x = 48,606,336.62
  5. Step 5: Solve for x
    x = 48,606,336.62/9,863.79
  6. Step 6: Final answer
    x = 4,927.75

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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.