Home / 4,252.22-6,380.27-1,912.84

Finding the Fourth Proportional to 4,252.22, 6,380.27 and 1,912.84

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Solution

The fourth proportional to 4,252.22, 6,380.27 and 1,912.84 is: 2,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.22 : 6,380.27 = 1,912.84 : x
  2. Step 2: Convert to fraction form
    4,252.22/6,380.27 = 1,912.84/x
  3. Step 3: Cross multiply
    4,252.22x = 6,380.27 × 1,912.84
  4. Step 4: Simplify right side
    4,252.22x = 12,204,424.50
  5. Step 5: Solve for x
    x = 12,204,424.50/4,252.22
  6. Step 6: Final answer
    x = 2,870.13

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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.