Home / 6,320.94-9,481.61-2,160.78

Finding the Fourth Proportional to 6,320.94, 9,481.61 and 2,160.78

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Solution

The fourth proportional to 6,320.94, 9,481.61 and 2,160.78 is: 3,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.94 : 9,481.61 = 2,160.78 : x
  2. Step 2: Convert to fraction form
    6,320.94/9,481.61 = 2,160.78/x
  3. Step 3: Cross multiply
    6,320.94x = 9,481.61 × 2,160.78
  4. Step 4: Simplify right side
    6,320.94x = 20,487,678.66
  5. Step 5: Solve for x
    x = 20,487,678.66/6,320.94
  6. Step 6: Final answer
    x = 3,241.24

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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.