Home / 7,787.43-11,673.97-3,106.32

Finding the Fourth Proportional to 7,787.43, 11,673.97 and 3,106.32

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Solution

The fourth proportional to 7,787.43, 11,673.97 and 3,106.32 is: 4,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.43 : 11,673.97 = 3,106.32 : x
  2. Step 2: Convert to fraction form
    7,787.43/11,673.97 = 3,106.32/x
  3. Step 3: Cross multiply
    7,787.43x = 11,673.97 × 3,106.32
  4. Step 4: Simplify right side
    7,787.43x = 36,263,086.49
  5. Step 5: Solve for x
    x = 36,263,086.49/7,787.43
  6. Step 6: Final answer
    x = 4,656.62

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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.