Home / 4,121.44-6,177.79-1,347.37

Finding the Fourth Proportional to 4,121.44, 6,177.79 and 1,347.37

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Solution

The fourth proportional to 4,121.44, 6,177.79 and 1,347.37 is: 2,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.44 : 6,177.79 = 1,347.37 : x
  2. Step 2: Convert to fraction form
    4,121.44/6,177.79 = 1,347.37/x
  3. Step 3: Cross multiply
    4,121.44x = 6,177.79 × 1,347.37
  4. Step 4: Simplify right side
    4,121.44x = 8,323,768.91
  5. Step 5: Solve for x
    x = 8,323,768.91/4,121.44
  6. Step 6: Final answer
    x = 2,019.63

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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.