Home / 6,079.56-9,119.75-1,919.74

Finding the Fourth Proportional to 6,079.56, 9,119.75 and 1,919.74

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Solution

The fourth proportional to 6,079.56, 9,119.75 and 1,919.74 is: 2,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.56 : 9,119.75 = 1,919.74 : x
  2. Step 2: Convert to fraction form
    6,079.56/9,119.75 = 1,919.74/x
  3. Step 3: Cross multiply
    6,079.56x = 9,119.75 × 1,919.74
  4. Step 4: Simplify right side
    6,079.56x = 17,507,516.47
  5. Step 5: Solve for x
    x = 17,507,516.47/6,079.56
  6. Step 6: Final answer
    x = 2,879.73

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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.