Home / 5,101.42-7,648.80-2,759.94

Finding the Fourth Proportional to 5,101.42, 7,648.80 and 2,759.94

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Solution

The fourth proportional to 5,101.42, 7,648.80 and 2,759.94 is: 4,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.42 : 7,648.80 = 2,759.94 : x
  2. Step 2: Convert to fraction form
    5,101.42/7,648.80 = 2,759.94/x
  3. Step 3: Cross multiply
    5,101.42x = 7,648.80 × 2,759.94
  4. Step 4: Simplify right side
    5,101.42x = 21,110,229.07
  5. Step 5: Solve for x
    x = 21,110,229.07/5,101.42
  6. Step 6: Final answer
    x = 4,138.11

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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.