Home / 3,778.75-5,214.32-3,500.11

Finding the Fourth Proportional to 3,778.75, 5,214.32 and 3,500.11

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Solution

The fourth proportional to 3,778.75, 5,214.32 and 3,500.11 is: 4,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.75 : 5,214.32 = 3,500.11 : x
  2. Step 2: Convert to fraction form
    3,778.75/5,214.32 = 3,500.11/x
  3. Step 3: Cross multiply
    3,778.75x = 5,214.32 × 3,500.11
  4. Step 4: Simplify right side
    3,778.75x = 18,250,676.07
  5. Step 5: Solve for x
    x = 18,250,676.07/3,778.75
  6. Step 6: Final answer
    x = 4,829.82

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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.