Home / 6,119.51-9,180.68-1,959.80

Finding the Fourth Proportional to 6,119.51, 9,180.68 and 1,959.80

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Solution

The fourth proportional to 6,119.51, 9,180.68 and 1,959.80 is: 2,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.51 : 9,180.68 = 1,959.80 : x
  2. Step 2: Convert to fraction form
    6,119.51/9,180.68 = 1,959.80/x
  3. Step 3: Cross multiply
    6,119.51x = 9,180.68 × 1,959.80
  4. Step 4: Simplify right side
    6,119.51x = 17,992,240.96
  5. Step 5: Solve for x
    x = 17,992,240.96/6,119.51
  6. Step 6: Final answer
    x = 2,940.15

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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.