Home / 4,140.92-6,213.69-3,218.33

Finding the Fourth Proportional to 4,140.92, 6,213.69 and 3,218.33

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Solution

The fourth proportional to 4,140.92, 6,213.69 and 3,218.33 is: 4,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.92 : 6,213.69 = 3,218.33 : x
  2. Step 2: Convert to fraction form
    4,140.92/6,213.69 = 3,218.33/x
  3. Step 3: Cross multiply
    4,140.92x = 6,213.69 × 3,218.33
  4. Step 4: Simplify right side
    4,140.92x = 19,997,673.87
  5. Step 5: Solve for x
    x = 19,997,673.87/4,140.92
  6. Step 6: Final answer
    x = 4,829.29

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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.