Home / 6,119.83-9,180.35-1,958.79

Finding the Fourth Proportional to 6,119.83, 9,180.35 and 1,958.79

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Solution

The fourth proportional to 6,119.83, 9,180.35 and 1,958.79 is: 2,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.83 : 9,180.35 = 1,958.79 : x
  2. Step 2: Convert to fraction form
    6,119.83/9,180.35 = 1,958.79/x
  3. Step 3: Cross multiply
    6,119.83x = 9,180.35 × 1,958.79
  4. Step 4: Simplify right side
    6,119.83x = 17,982,377.78
  5. Step 5: Solve for x
    x = 17,982,377.78/6,119.83
  6. Step 6: Final answer
    x = 2,938.38

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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.