Home / 5,739.14-7,919.99-3,221.26

Finding the Fourth Proportional to 5,739.14, 7,919.99 and 3,221.26

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Solution

The fourth proportional to 5,739.14, 7,919.99 and 3,221.26 is: 4,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.14 : 7,919.99 = 3,221.26 : x
  2. Step 2: Convert to fraction form
    5,739.14/7,919.99 = 3,221.26/x
  3. Step 3: Cross multiply
    5,739.14x = 7,919.99 × 3,221.26
  4. Step 4: Simplify right side
    5,739.14x = 25,512,346.99
  5. Step 5: Solve for x
    x = 25,512,346.99/5,739.14
  6. Step 6: Final answer
    x = 4,445.33

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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.