Home / 4,156.20-6,232.68-1,382.12

Finding the Fourth Proportional to 4,156.20, 6,232.68 and 1,382.12

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Solution

The fourth proportional to 4,156.20, 6,232.68 and 1,382.12 is: 2,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.20 : 6,232.68 = 1,382.12 : x
  2. Step 2: Convert to fraction form
    4,156.20/6,232.68 = 1,382.12/x
  3. Step 3: Cross multiply
    4,156.20x = 6,232.68 × 1,382.12
  4. Step 4: Simplify right side
    4,156.20x = 8,614,311.68
  5. Step 5: Solve for x
    x = 8,614,311.68/4,156.20
  6. Step 6: Final answer
    x = 2,072.64

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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.