Home / 6,621.62-9,934.10-3,110.97

Finding the Fourth Proportional to 6,621.62, 9,934.10 and 3,110.97

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Solution

The fourth proportional to 6,621.62, 9,934.10 and 3,110.97 is: 4,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.62 : 9,934.10 = 3,110.97 : x
  2. Step 2: Convert to fraction form
    6,621.62/9,934.10 = 3,110.97/x
  3. Step 3: Cross multiply
    6,621.62x = 9,934.10 × 3,110.97
  4. Step 4: Simplify right side
    6,621.62x = 30,904,671.52
  5. Step 5: Solve for x
    x = 30,904,671.52/6,621.62
  6. Step 6: Final answer
    x = 4,667.24

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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.