Home / 5,508.21-8,262.69-2,221.33

Finding the Fourth Proportional to 5,508.21, 8,262.69 and 2,221.33

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Solution

The fourth proportional to 5,508.21, 8,262.69 and 2,221.33 is: 3,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.21 : 8,262.69 = 2,221.33 : x
  2. Step 2: Convert to fraction form
    5,508.21/8,262.69 = 2,221.33/x
  3. Step 3: Cross multiply
    5,508.21x = 8,262.69 × 2,221.33
  4. Step 4: Simplify right side
    5,508.21x = 18,354,161.18
  5. Step 5: Solve for x
    x = 18,354,161.18/5,508.21
  6. Step 6: Final answer
    x = 3,332.15

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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.