Home / 8,787.42-13,181.07-3,238.38

Finding the Fourth Proportional to 8,787.42, 13,181.07 and 3,238.38

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Solution

The fourth proportional to 8,787.42, 13,181.07 and 3,238.38 is: 4,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.42 : 13,181.07 = 3,238.38 : x
  2. Step 2: Convert to fraction form
    8,787.42/13,181.07 = 3,238.38/x
  3. Step 3: Cross multiply
    8,787.42x = 13,181.07 × 3,238.38
  4. Step 4: Simplify right side
    8,787.42x = 42,685,313.47
  5. Step 5: Solve for x
    x = 42,685,313.47/8,787.42
  6. Step 6: Final answer
    x = 4,857.55

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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.