Home / 4,111.10-6,165.85-3,422.20

Finding the Fourth Proportional to 4,111.10, 6,165.85 and 3,422.20

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Solution

The fourth proportional to 4,111.10, 6,165.85 and 3,422.20 is: 5,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.10 : 6,165.85 = 3,422.20 : x
  2. Step 2: Convert to fraction form
    4,111.10/6,165.85 = 3,422.20/x
  3. Step 3: Cross multiply
    4,111.10x = 6,165.85 × 3,422.20
  4. Step 4: Simplify right side
    4,111.10x = 21,100,771.87
  5. Step 5: Solve for x
    x = 21,100,771.87/4,111.10
  6. Step 6: Final answer
    x = 5,132.63

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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.