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Finding the Fourth Proportional to 7,453.87, 11,180.80 and 1,907.22

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Solution

The fourth proportional to 7,453.87, 11,180.80 and 1,907.22 is: 2,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.87 : 11,180.80 = 1,907.22 : x
  2. Step 2: Convert to fraction form
    7,453.87/11,180.80 = 1,907.22/x
  3. Step 3: Cross multiply
    7,453.87x = 11,180.80 × 1,907.22
  4. Step 4: Simplify right side
    7,453.87x = 21,324,245.38
  5. Step 5: Solve for x
    x = 21,324,245.38/7,453.87
  6. Step 6: Final answer
    x = 2,860.83

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1.5x scale

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.