Home / 9,861.73-14,787.60-3,285.61

Finding the Fourth Proportional to 9,861.73, 14,787.60 and 3,285.61

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Solution

The fourth proportional to 9,861.73, 14,787.60 and 3,285.61 is: 4,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.73 : 14,787.60 = 3,285.61 : x
  2. Step 2: Convert to fraction form
    9,861.73/14,787.60 = 3,285.61/x
  3. Step 3: Cross multiply
    9,861.73x = 14,787.60 × 3,285.61
  4. Step 4: Simplify right side
    9,861.73x = 48,586,286.44
  5. Step 5: Solve for x
    x = 48,586,286.44/9,861.73
  6. Step 6: Final answer
    x = 4,926.75

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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.