Home / 4,247.66-6,373.89-3,320.61

Finding the Fourth Proportional to 4,247.66, 6,373.89 and 3,320.61

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Solution

The fourth proportional to 4,247.66, 6,373.89 and 3,320.61 is: 4,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.66 : 6,373.89 = 3,320.61 : x
  2. Step 2: Convert to fraction form
    4,247.66/6,373.89 = 3,320.61/x
  3. Step 3: Cross multiply
    4,247.66x = 6,373.89 × 3,320.61
  4. Step 4: Simplify right side
    4,247.66x = 21,165,202.87
  5. Step 5: Solve for x
    x = 21,165,202.87/4,247.66
  6. Step 6: Final answer
    x = 4,982.80

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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.