Home / 8,787.66-13,185.81-4,107.99

Finding the Fourth Proportional to 8,787.66, 13,185.81 and 4,107.99

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Solution

The fourth proportional to 8,787.66, 13,185.81 and 4,107.99 is: 6,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.66 : 13,185.81 = 4,107.99 : x
  2. Step 2: Convert to fraction form
    8,787.66/13,185.81 = 4,107.99/x
  3. Step 3: Cross multiply
    8,787.66x = 13,185.81 × 4,107.99
  4. Step 4: Simplify right side
    8,787.66x = 54,167,175.62
  5. Step 5: Solve for x
    x = 54,167,175.62/8,787.66
  6. Step 6: Final answer
    x = 6,164.00

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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.