Home / 6,919.56-9,543.96-4,399.38

Finding the Fourth Proportional to 6,919.56, 9,543.96 and 4,399.38

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Solution

The fourth proportional to 6,919.56, 9,543.96 and 4,399.38 is: 6,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.56 : 9,543.96 = 4,399.38 : x
  2. Step 2: Convert to fraction form
    6,919.56/9,543.96 = 4,399.38/x
  3. Step 3: Cross multiply
    6,919.56x = 9,543.96 × 4,399.38
  4. Step 4: Simplify right side
    6,919.56x = 41,987,506.74
  5. Step 5: Solve for x
    x = 41,987,506.74/6,919.56
  6. Step 6: Final answer
    x = 6,067.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.