Home / 9,321.22-13,982.46-3,477.82

Finding the Fourth Proportional to 9,321.22, 13,982.46 and 3,477.82

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Solution

The fourth proportional to 9,321.22, 13,982.46 and 3,477.82 is: 5,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.22 : 13,982.46 = 3,477.82 : x
  2. Step 2: Convert to fraction form
    9,321.22/13,982.46 = 3,477.82/x
  3. Step 3: Cross multiply
    9,321.22x = 13,982.46 × 3,477.82
  4. Step 4: Simplify right side
    9,321.22x = 48,628,479.04
  5. Step 5: Solve for x
    x = 48,628,479.04/9,321.22
  6. Step 6: Final answer
    x = 5,216.97

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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.