Home / 5,218.20-7,201.26-3,229.74

Finding the Fourth Proportional to 5,218.20, 7,201.26 and 3,229.74

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Solution

The fourth proportional to 5,218.20, 7,201.26 and 3,229.74 is: 4,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.20 : 7,201.26 = 3,229.74 : x
  2. Step 2: Convert to fraction form
    5,218.20/7,201.26 = 3,229.74/x
  3. Step 3: Cross multiply
    5,218.20x = 7,201.26 × 3,229.74
  4. Step 4: Simplify right side
    5,218.20x = 23,258,197.47
  5. Step 5: Solve for x
    x = 23,258,197.47/5,218.20
  6. Step 6: Final answer
    x = 4,457.13

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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.