Home / 4,123.83-6,185.75-2,739.87

Finding the Fourth Proportional to 4,123.83, 6,185.75 and 2,739.87

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Solution

The fourth proportional to 4,123.83, 6,185.75 and 2,739.87 is: 4,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.83 : 6,185.75 = 2,739.87 : x
  2. Step 2: Convert to fraction form
    4,123.83/6,185.75 = 2,739.87/x
  3. Step 3: Cross multiply
    4,123.83x = 6,185.75 × 2,739.87
  4. Step 4: Simplify right side
    4,123.83x = 16,948,150.85
  5. Step 5: Solve for x
    x = 16,948,150.85/4,123.83
  6. Step 6: Final answer
    x = 4,109.81

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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.