Home / 7,660.27-11,488.98-2,112.41

Finding the Fourth Proportional to 7,660.27, 11,488.98 and 2,112.41

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Solution

The fourth proportional to 7,660.27, 11,488.98 and 2,112.41 is: 3,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.27 : 11,488.98 = 2,112.41 : x
  2. Step 2: Convert to fraction form
    7,660.27/11,488.98 = 2,112.41/x
  3. Step 3: Cross multiply
    7,660.27x = 11,488.98 × 2,112.41
  4. Step 4: Simplify right side
    7,660.27x = 24,269,378.80
  5. Step 5: Solve for x
    x = 24,269,378.80/7,660.27
  6. Step 6: Final answer
    x = 3,168.22

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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.