Home / 6,682.20-10,019.01-3,390.75

Finding the Fourth Proportional to 6,682.20, 10,019.01 and 3,390.75

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Solution

The fourth proportional to 6,682.20, 10,019.01 and 3,390.75 is: 5,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.20 : 10,019.01 = 3,390.75 : x
  2. Step 2: Convert to fraction form
    6,682.20/10,019.01 = 3,390.75/x
  3. Step 3: Cross multiply
    6,682.20x = 10,019.01 × 3,390.75
  4. Step 4: Simplify right side
    6,682.20x = 33,971,958.16
  5. Step 5: Solve for x
    x = 33,971,958.16/6,682.20
  6. Step 6: Final answer
    x = 5,083.95

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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.