Home / 5,383.35-8,074.92-2,220.11

Finding the Fourth Proportional to 5,383.35, 8,074.92 and 2,220.11

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Solution

The fourth proportional to 5,383.35, 8,074.92 and 2,220.11 is: 3,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.35 : 8,074.92 = 2,220.11 : x
  2. Step 2: Convert to fraction form
    5,383.35/8,074.92 = 2,220.11/x
  3. Step 3: Cross multiply
    5,383.35x = 8,074.92 × 2,220.11
  4. Step 4: Simplify right side
    5,383.35x = 17,927,170.27
  5. Step 5: Solve for x
    x = 17,927,170.27/5,383.35
  6. Step 6: Final answer
    x = 3,330.11

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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.