Home / 4,111.45-6,161.96-2,630.09

Finding the Fourth Proportional to 4,111.45, 6,161.96 and 2,630.09

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Solution

The fourth proportional to 4,111.45, 6,161.96 and 2,630.09 is: 3,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.45 : 6,161.96 = 2,630.09 : x
  2. Step 2: Convert to fraction form
    4,111.45/6,161.96 = 2,630.09/x
  3. Step 3: Cross multiply
    4,111.45x = 6,161.96 × 2,630.09
  4. Step 4: Simplify right side
    4,111.45x = 16,206,531.36
  5. Step 5: Solve for x
    x = 16,206,531.36/4,111.45
  6. Step 6: Final answer
    x = 3,941.81

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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.