Home / 8,787.90-13,179.79-2,546.25

Finding the Fourth Proportional to 8,787.90, 13,179.79 and 2,546.25

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Solution

The fourth proportional to 8,787.90, 13,179.79 and 2,546.25 is: 3,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.90 : 13,179.79 = 2,546.25 : x
  2. Step 2: Convert to fraction form
    8,787.90/13,179.79 = 2,546.25/x
  3. Step 3: Cross multiply
    8,787.90x = 13,179.79 × 2,546.25
  4. Step 4: Simplify right side
    8,787.90x = 33,559,040.29
  5. Step 5: Solve for x
    x = 33,559,040.29/8,787.90
  6. Step 6: Final answer
    x = 3,818.78

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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.