Home / 4,188.20-5,782.39-3,739.29

Finding the Fourth Proportional to 4,188.20, 5,782.39 and 3,739.29

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Solution

The fourth proportional to 4,188.20, 5,782.39 and 3,739.29 is: 5,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.20 : 5,782.39 = 3,739.29 : x
  2. Step 2: Convert to fraction form
    4,188.20/5,782.39 = 3,739.29/x
  3. Step 3: Cross multiply
    4,188.20x = 5,782.39 × 3,739.29
  4. Step 4: Simplify right side
    4,188.20x = 21,622,002.07
  5. Step 5: Solve for x
    x = 21,622,002.07/4,188.20
  6. Step 6: Final answer
    x = 5,162.61

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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.