Home / 4,185.27-6,276.42-1,222.88

Finding the Fourth Proportional to 4,185.27, 6,276.42 and 1,222.88

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Solution

The fourth proportional to 4,185.27, 6,276.42 and 1,222.88 is: 1,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.27 : 6,276.42 = 1,222.88 : x
  2. Step 2: Convert to fraction form
    4,185.27/6,276.42 = 1,222.88/x
  3. Step 3: Cross multiply
    4,185.27x = 6,276.42 × 1,222.88
  4. Step 4: Simplify right side
    4,185.27x = 7,675,277.11
  5. Step 5: Solve for x
    x = 7,675,277.11/4,185.27
  6. Step 6: Final answer
    x = 1,833.88

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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.