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Finding the Fourth Proportional to 5,480.08, 8,220.16 and 2,194

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Solution

The fourth proportional to 5,480.08, 8,220.16 and 2,194 is: 3,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.08 : 8,220.16 = 2,194 : x
  2. Step 2: Convert to fraction form
    5,480.08/8,220.16 = 2,194/x
  3. Step 3: Cross multiply
    5,480.08x = 8,220.16 × 2,194
  4. Step 4: Simplify right side
    5,480.08x = 18,035,031.04
  5. Step 5: Solve for x
    x = 18,035,031.04/5,480.08
  6. Step 6: Final answer
    x = 3,291.02

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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.