Home / 5,628.13-7,766.82-3,144.13

Finding the Fourth Proportional to 5,628.13, 7,766.82 and 3,144.13

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Solution

The fourth proportional to 5,628.13, 7,766.82 and 3,144.13 is: 4,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.13 : 7,766.82 = 3,144.13 : x
  2. Step 2: Convert to fraction form
    5,628.13/7,766.82 = 3,144.13/x
  3. Step 3: Cross multiply
    5,628.13x = 7,766.82 × 3,144.13
  4. Step 4: Simplify right side
    5,628.13x = 24,419,837.21
  5. Step 5: Solve for x
    x = 24,419,837.21/5,628.13
  6. Step 6: Final answer
    x = 4,338.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.