Home / 5,101.74-7,644.39-3,149.82

Finding the Fourth Proportional to 5,101.74, 7,644.39 and 3,149.82

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Solution

The fourth proportional to 5,101.74, 7,644.39 and 3,149.82 is: 4,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.74 : 7,644.39 = 3,149.82 : x
  2. Step 2: Convert to fraction form
    5,101.74/7,644.39 = 3,149.82/x
  3. Step 3: Cross multiply
    5,101.74x = 7,644.39 × 3,149.82
  4. Step 4: Simplify right side
    5,101.74x = 24,078,452.51
  5. Step 5: Solve for x
    x = 24,078,452.51/5,101.74
  6. Step 6: Final answer
    x = 4,719.65

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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.