Home / 4,272.35-6,412.62-2,082.61

Finding the Fourth Proportional to 4,272.35, 6,412.62 and 2,082.61

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Solution

The fourth proportional to 4,272.35, 6,412.62 and 2,082.61 is: 3,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.35 : 6,412.62 = 2,082.61 : x
  2. Step 2: Convert to fraction form
    4,272.35/6,412.62 = 2,082.61/x
  3. Step 3: Cross multiply
    4,272.35x = 6,412.62 × 2,082.61
  4. Step 4: Simplify right side
    4,272.35x = 13,355,002.36
  5. Step 5: Solve for x
    x = 13,355,002.36/4,272.35
  6. Step 6: Final answer
    x = 3,125.92

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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.