Home / 7,986.94-11,982.40-3,056.96

Finding the Fourth Proportional to 7,986.94, 11,982.40 and 3,056.96

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Solution

The fourth proportional to 7,986.94, 11,982.40 and 3,056.96 is: 4,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.94 : 11,982.40 = 3,056.96 : x
  2. Step 2: Convert to fraction form
    7,986.94/11,982.40 = 3,056.96/x
  3. Step 3: Cross multiply
    7,986.94x = 11,982.40 × 3,056.96
  4. Step 4: Simplify right side
    7,986.94x = 36,629,717.50
  5. Step 5: Solve for x
    x = 36,629,717.50/7,986.94
  6. Step 6: Final answer
    x = 4,586.20

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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.