Home / 6,320.79-9,481.19-2,160.84

Finding the Fourth Proportional to 6,320.79, 9,481.19 and 2,160.84

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Solution

The fourth proportional to 6,320.79, 9,481.19 and 2,160.84 is: 3,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.79 : 9,481.19 = 2,160.84 : x
  2. Step 2: Convert to fraction form
    6,320.79/9,481.19 = 2,160.84/x
  3. Step 3: Cross multiply
    6,320.79x = 9,481.19 × 2,160.84
  4. Step 4: Simplify right side
    6,320.79x = 20,487,340.00
  5. Step 5: Solve for x
    x = 20,487,340.00/6,320.79
  6. Step 6: Final answer
    x = 3,241.26

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Similar ratio
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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.