Home / 6,667.20-9,197.82-4,149.72

Finding the Fourth Proportional to 6,667.20, 9,197.82 and 4,149.72

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Solution

The fourth proportional to 6,667.20, 9,197.82 and 4,149.72 is: 5,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.20 : 9,197.82 = 4,149.72 : x
  2. Step 2: Convert to fraction form
    6,667.20/9,197.82 = 4,149.72/x
  3. Step 3: Cross multiply
    6,667.20x = 9,197.82 × 4,149.72
  4. Step 4: Simplify right side
    6,667.20x = 38,168,377.61
  5. Step 5: Solve for x
    x = 38,168,377.61/6,667.20
  6. Step 6: Final answer
    x = 5,724.80

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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.