Home / 6,320.75-9,481.12-2,160.79

Finding the Fourth Proportional to 6,320.75, 9,481.12 and 2,160.79

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Solution

The fourth proportional to 6,320.75, 9,481.12 and 2,160.79 is: 3,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.75 : 9,481.12 = 2,160.79 : x
  2. Step 2: Convert to fraction form
    6,320.75/9,481.12 = 2,160.79/x
  3. Step 3: Cross multiply
    6,320.75x = 9,481.12 × 2,160.79
  4. Step 4: Simplify right side
    6,320.75x = 20,486,733.51
  5. Step 5: Solve for x
    x = 20,486,733.51/6,320.75
  6. Step 6: Final answer
    x = 3,241.19

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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.