Home / 7,255.31-10,868.38-3,785.27

Finding the Fourth Proportional to 7,255.31, 10,868.38 and 3,785.27

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Solution

The fourth proportional to 7,255.31, 10,868.38 and 3,785.27 is: 5,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.31 : 10,868.38 = 3,785.27 : x
  2. Step 2: Convert to fraction form
    7,255.31/10,868.38 = 3,785.27/x
  3. Step 3: Cross multiply
    7,255.31x = 10,868.38 × 3,785.27
  4. Step 4: Simplify right side
    7,255.31x = 41,139,716.13
  5. Step 5: Solve for x
    x = 41,139,716.13/7,255.31
  6. Step 6: Final answer
    x = 5,670.29

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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.