Home / 7,028.44-10,546.31-3,131.94

Finding the Fourth Proportional to 7,028.44, 10,546.31 and 3,131.94

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Solution

The fourth proportional to 7,028.44, 10,546.31 and 3,131.94 is: 4,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.44 : 10,546.31 = 3,131.94 : x
  2. Step 2: Convert to fraction form
    7,028.44/10,546.31 = 3,131.94/x
  3. Step 3: Cross multiply
    7,028.44x = 10,546.31 × 3,131.94
  4. Step 4: Simplify right side
    7,028.44x = 33,030,410.14
  5. Step 5: Solve for x
    x = 33,030,410.14/7,028.44
  6. Step 6: Final answer
    x = 4,699.54

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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.