Home / 7,764.91-11,644.67-2,216.76

Finding the Fourth Proportional to 7,764.91, 11,644.67 and 2,216.76

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Solution

The fourth proportional to 7,764.91, 11,644.67 and 2,216.76 is: 3,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.91 : 11,644.67 = 2,216.76 : x
  2. Step 2: Convert to fraction form
    7,764.91/11,644.67 = 2,216.76/x
  3. Step 3: Cross multiply
    7,764.91x = 11,644.67 × 2,216.76
  4. Step 4: Simplify right side
    7,764.91x = 25,813,487.88
  5. Step 5: Solve for x
    x = 25,813,487.88/7,764.91
  6. Step 6: Final answer
    x = 3,324.38

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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.