Home / 6,119.53-9,179.51-1,959.66

Finding the Fourth Proportional to 6,119.53, 9,179.51 and 1,959.66

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Solution

The fourth proportional to 6,119.53, 9,179.51 and 1,959.66 is: 2,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.53 : 9,179.51 = 1,959.66 : x
  2. Step 2: Convert to fraction form
    6,119.53/9,179.51 = 1,959.66/x
  3. Step 3: Cross multiply
    6,119.53x = 9,179.51 × 1,959.66
  4. Step 4: Simplify right side
    6,119.53x = 17,988,708.77
  5. Step 5: Solve for x
    x = 17,988,708.77/6,119.53
  6. Step 6: Final answer
    x = 2,939.56

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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.