Home / 7,863.94-11,787.63-3,960.14

Finding the Fourth Proportional to 7,863.94, 11,787.63 and 3,960.14

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Solution

The fourth proportional to 7,863.94, 11,787.63 and 3,960.14 is: 5,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.94 : 11,787.63 = 3,960.14 : x
  2. Step 2: Convert to fraction form
    7,863.94/11,787.63 = 3,960.14/x
  3. Step 3: Cross multiply
    7,863.94x = 11,787.63 × 3,960.14
  4. Step 4: Simplify right side
    7,863.94x = 46,680,657.58
  5. Step 5: Solve for x
    x = 46,680,657.58/7,863.94
  6. Step 6: Final answer
    x = 5,936.04

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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.