Home / 5,680.96-7,839.51-3,163.18

Finding the Fourth Proportional to 5,680.96, 7,839.51 and 3,163.18

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Solution

The fourth proportional to 5,680.96, 7,839.51 and 3,163.18 is: 4,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.96 : 7,839.51 = 3,163.18 : x
  2. Step 2: Convert to fraction form
    5,680.96/7,839.51 = 3,163.18/x
  3. Step 3: Cross multiply
    5,680.96x = 7,839.51 × 3,163.18
  4. Step 4: Simplify right side
    5,680.96x = 24,797,751.33
  5. Step 5: Solve for x
    x = 24,797,751.33/5,680.96
  6. Step 6: Final answer
    x = 4,365.06

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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.