Home / 7,912.96-11,877.92-4,016.32

Finding the Fourth Proportional to 7,912.96, 11,877.92 and 4,016.32

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Solution

The fourth proportional to 7,912.96, 11,877.92 and 4,016.32 is: 6,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.96 : 11,877.92 = 4,016.32 : x
  2. Step 2: Convert to fraction form
    7,912.96/11,877.92 = 4,016.32/x
  3. Step 3: Cross multiply
    7,912.96x = 11,877.92 × 4,016.32
  4. Step 4: Simplify right side
    7,912.96x = 47,705,527.65
  5. Step 5: Solve for x
    x = 47,705,527.65/7,912.96
  6. Step 6: Final answer
    x = 6,028.78

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1.5x scale

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.