Home / 4,080.68-6,121.25-1,158.75

Finding the Fourth Proportional to 4,080.68, 6,121.25 and 1,158.75

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Solution

The fourth proportional to 4,080.68, 6,121.25 and 1,158.75 is: 1,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.68 : 6,121.25 = 1,158.75 : x
  2. Step 2: Convert to fraction form
    4,080.68/6,121.25 = 1,158.75/x
  3. Step 3: Cross multiply
    4,080.68x = 6,121.25 × 1,158.75
  4. Step 4: Simplify right side
    4,080.68x = 7,092,992.64
  5. Step 5: Solve for x
    x = 7,092,992.64/4,080.68
  6. Step 6: Final answer
    x = 1,738.19

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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.