Home / 7,583.78-11,375.67-2,390.06

Finding the Fourth Proportional to 7,583.78, 11,375.67 and 2,390.06

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Solution

The fourth proportional to 7,583.78, 11,375.67 and 2,390.06 is: 3,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.78 : 11,375.67 = 2,390.06 : x
  2. Step 2: Convert to fraction form
    7,583.78/11,375.67 = 2,390.06/x
  3. Step 3: Cross multiply
    7,583.78x = 11,375.67 × 2,390.06
  4. Step 4: Simplify right side
    7,583.78x = 27,188,571.24
  5. Step 5: Solve for x
    x = 27,188,571.24/7,583.78
  6. Step 6: Final answer
    x = 3,585.09

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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.