Home / 8,787.11-13,178.58-3,237.44

Finding the Fourth Proportional to 8,787.11, 13,178.58 and 3,237.44

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Solution

The fourth proportional to 8,787.11, 13,178.58 and 3,237.44 is: 4,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.11 : 13,178.58 = 3,237.44 : x
  2. Step 2: Convert to fraction form
    8,787.11/13,178.58 = 3,237.44/x
  3. Step 3: Cross multiply
    8,787.11x = 13,178.58 × 3,237.44
  4. Step 4: Simplify right side
    8,787.11x = 42,664,796.14
  5. Step 5: Solve for x
    x = 42,664,796.14/8,787.11
  6. Step 6: Final answer
    x = 4,855.39

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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.