Home / 5,502.21-8,255.75-2,221.71

Finding the Fourth Proportional to 5,502.21, 8,255.75 and 2,221.71

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Solution

The fourth proportional to 5,502.21, 8,255.75 and 2,221.71 is: 3,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.21 : 8,255.75 = 2,221.71 : x
  2. Step 2: Convert to fraction form
    5,502.21/8,255.75 = 2,221.71/x
  3. Step 3: Cross multiply
    5,502.21x = 8,255.75 × 2,221.71
  4. Step 4: Simplify right side
    5,502.21x = 18,341,840.26
  5. Step 5: Solve for x
    x = 18,341,840.26/5,502.21
  6. Step 6: Final answer
    x = 3,333.54

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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.