Home / 8,452.12-11,661.07-4,912.42

Finding the Fourth Proportional to 8,452.12, 11,661.07 and 4,912.42

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Solution

The fourth proportional to 8,452.12, 11,661.07 and 4,912.42 is: 6,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.12 : 11,661.07 = 4,912.42 : x
  2. Step 2: Convert to fraction form
    8,452.12/11,661.07 = 4,912.42/x
  3. Step 3: Cross multiply
    8,452.12x = 11,661.07 × 4,912.42
  4. Step 4: Simplify right side
    8,452.12x = 57,284,073.49
  5. Step 5: Solve for x
    x = 57,284,073.49/8,452.12
  6. Step 6: Final answer
    x = 6,777.48

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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.