Home / 3,189.11-4,787.30-3,006.86

Finding the Fourth Proportional to 3,189.11, 4,787.30 and 3,006.86

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Solution

The fourth proportional to 3,189.11, 4,787.30 and 3,006.86 is: 4,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.11 : 4,787.30 = 3,006.86 : x
  2. Step 2: Convert to fraction form
    3,189.11/4,787.30 = 3,006.86/x
  3. Step 3: Cross multiply
    3,189.11x = 4,787.30 × 3,006.86
  4. Step 4: Simplify right side
    3,189.11x = 14,394,724.46
  5. Step 5: Solve for x
    x = 14,394,724.46/3,189.11
  6. Step 6: Final answer
    x = 4,513.72

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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.