Home / 4,150.82-6,222.03-2,690.90

Finding the Fourth Proportional to 4,150.82, 6,222.03 and 2,690.90

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Solution

The fourth proportional to 4,150.82, 6,222.03 and 2,690.90 is: 4,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.82 : 6,222.03 = 2,690.90 : x
  2. Step 2: Convert to fraction form
    4,150.82/6,222.03 = 2,690.90/x
  3. Step 3: Cross multiply
    4,150.82x = 6,222.03 × 2,690.90
  4. Step 4: Simplify right side
    4,150.82x = 16,742,860.53
  5. Step 5: Solve for x
    x = 16,742,860.53/4,150.82
  6. Step 6: Final answer
    x = 4,033.63

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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.