Home / 4,251.08-6,380.47-2,172.52

Finding the Fourth Proportional to 4,251.08, 6,380.47 and 2,172.52

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Solution

The fourth proportional to 4,251.08, 6,380.47 and 2,172.52 is: 3,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.08 : 6,380.47 = 2,172.52 : x
  2. Step 2: Convert to fraction form
    4,251.08/6,380.47 = 2,172.52/x
  3. Step 3: Cross multiply
    4,251.08x = 6,380.47 × 2,172.52
  4. Step 4: Simplify right side
    4,251.08x = 13,861,709.38
  5. Step 5: Solve for x
    x = 13,861,709.38/4,251.08
  6. Step 6: Final answer
    x = 3,260.75

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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.