Home / 4,145.36-6,220.20-3,906.32

Finding the Fourth Proportional to 4,145.36, 6,220.20 and 3,906.32

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Solution

The fourth proportional to 4,145.36, 6,220.20 and 3,906.32 is: 5,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.36 : 6,220.20 = 3,906.32 : x
  2. Step 2: Convert to fraction form
    4,145.36/6,220.20 = 3,906.32/x
  3. Step 3: Cross multiply
    4,145.36x = 6,220.20 × 3,906.32
  4. Step 4: Simplify right side
    4,145.36x = 24,298,091.66
  5. Step 5: Solve for x
    x = 24,298,091.66/4,145.36
  6. Step 6: Final answer
    x = 5,861.52

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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.