Home / 5,351.08-7,383.39-3,861.22

Finding the Fourth Proportional to 5,351.08, 7,383.39 and 3,861.22

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Solution

The fourth proportional to 5,351.08, 7,383.39 and 3,861.22 is: 5,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.08 : 7,383.39 = 3,861.22 : x
  2. Step 2: Convert to fraction form
    5,351.08/7,383.39 = 3,861.22/x
  3. Step 3: Cross multiply
    5,351.08x = 7,383.39 × 3,861.22
  4. Step 4: Simplify right side
    5,351.08x = 28,508,893.14
  5. Step 5: Solve for x
    x = 28,508,893.14/5,351.08
  6. Step 6: Final answer
    x = 5,327.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.