Home / 5,216.22-7,199.64-3,540.42

Finding the Fourth Proportional to 5,216.22, 7,199.64 and 3,540.42

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Solution

The fourth proportional to 5,216.22, 7,199.64 and 3,540.42 is: 4,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.22 : 7,199.64 = 3,540.42 : x
  2. Step 2: Convert to fraction form
    5,216.22/7,199.64 = 3,540.42/x
  3. Step 3: Cross multiply
    5,216.22x = 7,199.64 × 3,540.42
  4. Step 4: Simplify right side
    5,216.22x = 25,489,749.45
  5. Step 5: Solve for x
    x = 25,489,749.45/5,216.22
  6. Step 6: Final answer
    x = 4,886.63

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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.