Home / 5,457.72-7,531.37-3,067.79

Finding the Fourth Proportional to 5,457.72, 7,531.37 and 3,067.79

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Solution

The fourth proportional to 5,457.72, 7,531.37 and 3,067.79 is: 4,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.72 : 7,531.37 = 3,067.79 : x
  2. Step 2: Convert to fraction form
    5,457.72/7,531.37 = 3,067.79/x
  3. Step 3: Cross multiply
    5,457.72x = 7,531.37 × 3,067.79
  4. Step 4: Simplify right side
    5,457.72x = 23,104,608.58
  5. Step 5: Solve for x
    x = 23,104,608.58/5,457.72
  6. Step 6: Final answer
    x = 4,233.38

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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.