Home / 7,942.80-11,910.35-2,395.11

Finding the Fourth Proportional to 7,942.80, 11,910.35 and 2,395.11

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Solution

The fourth proportional to 7,942.80, 11,910.35 and 2,395.11 is: 3,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.80 : 11,910.35 = 2,395.11 : x
  2. Step 2: Convert to fraction form
    7,942.80/11,910.35 = 2,395.11/x
  3. Step 3: Cross multiply
    7,942.80x = 11,910.35 × 2,395.11
  4. Step 4: Simplify right side
    7,942.80x = 28,526,586.41
  5. Step 5: Solve for x
    x = 28,526,586.41/7,942.80
  6. Step 6: Final answer
    x = 3,591.50

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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.