Home / 8,951.94-13,433.31-3,112.65

Finding the Fourth Proportional to 8,951.94, 13,433.31 and 3,112.65

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Solution

The fourth proportional to 8,951.94, 13,433.31 and 3,112.65 is: 4,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.94 : 13,433.31 = 3,112.65 : x
  2. Step 2: Convert to fraction form
    8,951.94/13,433.31 = 3,112.65/x
  3. Step 3: Cross multiply
    8,951.94x = 13,433.31 × 3,112.65
  4. Step 4: Simplify right side
    8,951.94x = 41,813,192.37
  5. Step 5: Solve for x
    x = 41,813,192.37/8,951.94
  6. Step 6: Final answer
    x = 4,670.85

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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.