Home / 5,177.94-7,149.24-3,189.12

Finding the Fourth Proportional to 5,177.94, 7,149.24 and 3,189.12

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Solution

The fourth proportional to 5,177.94, 7,149.24 and 3,189.12 is: 4,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.94 : 7,149.24 = 3,189.12 : x
  2. Step 2: Convert to fraction form
    5,177.94/7,149.24 = 3,189.12/x
  3. Step 3: Cross multiply
    5,177.94x = 7,149.24 × 3,189.12
  4. Step 4: Simplify right side
    5,177.94x = 22,799,784.27
  5. Step 5: Solve for x
    x = 22,799,784.27/5,177.94
  6. Step 6: Final answer
    x = 4,403.25

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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.