Home / 7,278.25-10,917.39-2,084.53

Finding the Fourth Proportional to 7,278.25, 10,917.39 and 2,084.53

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Solution

The fourth proportional to 7,278.25, 10,917.39 and 2,084.53 is: 3,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.25 : 10,917.39 = 2,084.53 : x
  2. Step 2: Convert to fraction form
    7,278.25/10,917.39 = 2,084.53/x
  3. Step 3: Cross multiply
    7,278.25x = 10,917.39 × 2,084.53
  4. Step 4: Simplify right side
    7,278.25x = 22,757,626.98
  5. Step 5: Solve for x
    x = 22,757,626.98/7,278.25
  6. Step 6: Final answer
    x = 3,126.80

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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.