Home / 6,122.79-9,177.46-3,161.45

Finding the Fourth Proportional to 6,122.79, 9,177.46 and 3,161.45

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Solution

The fourth proportional to 6,122.79, 9,177.46 and 3,161.45 is: 4,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.79 : 9,177.46 = 3,161.45 : x
  2. Step 2: Convert to fraction form
    6,122.79/9,177.46 = 3,161.45/x
  3. Step 3: Cross multiply
    6,122.79x = 9,177.46 × 3,161.45
  4. Step 4: Simplify right side
    6,122.79x = 29,014,078.61
  5. Step 5: Solve for x
    x = 29,014,078.61/6,122.79
  6. Step 6: Final answer
    x = 4,738.71

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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.