Home / 4,106.80-6,161.20-1,185.04

Finding the Fourth Proportional to 4,106.80, 6,161.20 and 1,185.04

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Solution

The fourth proportional to 4,106.80, 6,161.20 and 1,185.04 is: 1,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.80 : 6,161.20 = 1,185.04 : x
  2. Step 2: Convert to fraction form
    4,106.80/6,161.20 = 1,185.04/x
  3. Step 3: Cross multiply
    4,106.80x = 6,161.20 × 1,185.04
  4. Step 4: Simplify right side
    4,106.80x = 7,301,268.45
  5. Step 5: Solve for x
    x = 7,301,268.45/4,106.80
  6. Step 6: Final answer
    x = 1,777.85

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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.