Home / 7,480.76-11,222.96-3,322.11

Finding the Fourth Proportional to 7,480.76, 11,222.96 and 3,322.11

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Solution

The fourth proportional to 7,480.76, 11,222.96 and 3,322.11 is: 4,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.76 : 11,222.96 = 3,322.11 : x
  2. Step 2: Convert to fraction form
    7,480.76/11,222.96 = 3,322.11/x
  3. Step 3: Cross multiply
    7,480.76x = 11,222.96 × 3,322.11
  4. Step 4: Simplify right side
    7,480.76x = 37,283,933.12
  5. Step 5: Solve for x
    x = 37,283,933.12/7,480.76
  6. Step 6: Final answer
    x = 4,983.98

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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.