Home / 8,787.56-13,179.82-4,107.99

Finding the Fourth Proportional to 8,787.56, 13,179.82 and 4,107.99

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Solution

The fourth proportional to 8,787.56, 13,179.82 and 4,107.99 is: 6,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.56 : 13,179.82 = 4,107.99 : x
  2. Step 2: Convert to fraction form
    8,787.56/13,179.82 = 4,107.99/x
  3. Step 3: Cross multiply
    8,787.56x = 13,179.82 × 4,107.99
  4. Step 4: Simplify right side
    8,787.56x = 54,142,568.76
  5. Step 5: Solve for x
    x = 54,142,568.76/8,787.56
  6. Step 6: Final answer
    x = 6,161.27

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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.