Home / 7,480.86-11,222.94-2,216.29

Finding the Fourth Proportional to 7,480.86, 11,222.94 and 2,216.29

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Solution

The fourth proportional to 7,480.86, 11,222.94 and 2,216.29 is: 3,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.86 : 11,222.94 = 2,216.29 : x
  2. Step 2: Convert to fraction form
    7,480.86/11,222.94 = 2,216.29/x
  3. Step 3: Cross multiply
    7,480.86x = 11,222.94 × 2,216.29
  4. Step 4: Simplify right side
    7,480.86x = 24,873,303.65
  5. Step 5: Solve for x
    x = 24,873,303.65/7,480.86
  6. Step 6: Final answer
    x = 3,324.92

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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.