Home / 4,238.96-5,851.32-3,189.20

Finding the Fourth Proportional to 4,238.96, 5,851.32 and 3,189.20

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Solution

The fourth proportional to 4,238.96, 5,851.32 and 3,189.20 is: 4,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.96 : 5,851.32 = 3,189.20 : x
  2. Step 2: Convert to fraction form
    4,238.96/5,851.32 = 3,189.20/x
  3. Step 3: Cross multiply
    4,238.96x = 5,851.32 × 3,189.20
  4. Step 4: Simplify right side
    4,238.96x = 18,661,029.74
  5. Step 5: Solve for x
    x = 18,661,029.74/4,238.96
  6. Step 6: Final answer
    x = 4,402.27

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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.