Home / 5,480.36-8,220.51-2,194.22

Finding the Fourth Proportional to 5,480.36, 8,220.51 and 2,194.22

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Solution

The fourth proportional to 5,480.36, 8,220.51 and 2,194.22 is: 3,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.36 : 8,220.51 = 2,194.22 : x
  2. Step 2: Convert to fraction form
    5,480.36/8,220.51 = 2,194.22/x
  3. Step 3: Cross multiply
    5,480.36x = 8,220.51 × 2,194.22
  4. Step 4: Simplify right side
    5,480.36x = 18,037,566.35
  5. Step 5: Solve for x
    x = 18,037,566.35/5,480.36
  6. Step 6: Final answer
    x = 3,291.31

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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.