Home / 6,119.64-9,179.22-1,959.87

Finding the Fourth Proportional to 6,119.64, 9,179.22 and 1,959.87

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Solution

The fourth proportional to 6,119.64, 9,179.22 and 1,959.87 is: 2,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.64 : 9,179.22 = 1,959.87 : x
  2. Step 2: Convert to fraction form
    6,119.64/9,179.22 = 1,959.87/x
  3. Step 3: Cross multiply
    6,119.64x = 9,179.22 × 1,959.87
  4. Step 4: Simplify right side
    6,119.64x = 17,990,077.90
  5. Step 5: Solve for x
    x = 17,990,077.90/6,119.64
  6. Step 6: Final answer
    x = 2,939.73

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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.