Home / 5,480.22-8,214.66-2,556.12

Finding the Fourth Proportional to 5,480.22, 8,214.66 and 2,556.12

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Solution

The fourth proportional to 5,480.22, 8,214.66 and 2,556.12 is: 3,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.22 : 8,214.66 = 2,556.12 : x
  2. Step 2: Convert to fraction form
    5,480.22/8,214.66 = 2,556.12/x
  3. Step 3: Cross multiply
    5,480.22x = 8,214.66 × 2,556.12
  4. Step 4: Simplify right side
    5,480.22x = 20,997,656.72
  5. Step 5: Solve for x
    x = 20,997,656.72/5,480.22
  6. Step 6: Final answer
    x = 3,831.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.