Home / 7,262.76-10,887.66-3,361.80

Finding the Fourth Proportional to 7,262.76, 10,887.66 and 3,361.80

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Solution

The fourth proportional to 7,262.76, 10,887.66 and 3,361.80 is: 5,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.76 : 10,887.66 = 3,361.80 : x
  2. Step 2: Convert to fraction form
    7,262.76/10,887.66 = 3,361.80/x
  3. Step 3: Cross multiply
    7,262.76x = 10,887.66 × 3,361.80
  4. Step 4: Simplify right side
    7,262.76x = 36,602,135.39
  5. Step 5: Solve for x
    x = 36,602,135.39/7,262.76
  6. Step 6: Final answer
    x = 5,039.70

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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.