Home / 5,110.75-7,669.05-2,770.75

Finding the Fourth Proportional to 5,110.75, 7,669.05 and 2,770.75

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Solution

The fourth proportional to 5,110.75, 7,669.05 and 2,770.75 is: 4,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.75 : 7,669.05 = 2,770.75 : x
  2. Step 2: Convert to fraction form
    5,110.75/7,669.05 = 2,770.75/x
  3. Step 3: Cross multiply
    5,110.75x = 7,669.05 × 2,770.75
  4. Step 4: Simplify right side
    5,110.75x = 21,249,020.29
  5. Step 5: Solve for x
    x = 21,249,020.29/5,110.75
  6. Step 6: Final answer
    x = 4,157.71

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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.