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Finding the Fourth Proportional to 6,780.51, 10,169.73 and 1,850.55

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Solution

The fourth proportional to 6,780.51, 10,169.73 and 1,850.55 is: 2,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.51 : 10,169.73 = 1,850.55 : x
  2. Step 2: Convert to fraction form
    6,780.51/10,169.73 = 1,850.55/x
  3. Step 3: Cross multiply
    6,780.51x = 10,169.73 × 1,850.55
  4. Step 4: Simplify right side
    6,780.51x = 18,819,593.85
  5. Step 5: Solve for x
    x = 18,819,593.85/6,780.51
  6. Step 6: Final answer
    x = 2,775.54

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1.5x scale

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.