Home / 6,135.45-9,201.79-1,974.66

Finding the Fourth Proportional to 6,135.45, 9,201.79 and 1,974.66

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Solution

The fourth proportional to 6,135.45, 9,201.79 and 1,974.66 is: 2,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.45 : 9,201.79 = 1,974.66 : x
  2. Step 2: Convert to fraction form
    6,135.45/9,201.79 = 1,974.66/x
  3. Step 3: Cross multiply
    6,135.45x = 9,201.79 × 1,974.66
  4. Step 4: Simplify right side
    6,135.45x = 18,170,406.64
  5. Step 5: Solve for x
    x = 18,170,406.64/6,135.45
  6. Step 6: Final answer
    x = 2,961.54

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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.