Home / 5,149.13-7,723.33-2,685.33

Finding the Fourth Proportional to 5,149.13, 7,723.33 and 2,685.33

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Solution

The fourth proportional to 5,149.13, 7,723.33 and 2,685.33 is: 4,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.13 : 7,723.33 = 2,685.33 : x
  2. Step 2: Convert to fraction form
    5,149.13/7,723.33 = 2,685.33/x
  3. Step 3: Cross multiply
    5,149.13x = 7,723.33 × 2,685.33
  4. Step 4: Simplify right side
    5,149.13x = 20,739,683.04
  5. Step 5: Solve for x
    x = 20,739,683.04/5,149.13
  6. Step 6: Final answer
    x = 4,027.81

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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.