Home / 4,811.27-7,217.31-1,691.01

Finding the Fourth Proportional to 4,811.27, 7,217.31 and 1,691.01

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Solution

The fourth proportional to 4,811.27, 7,217.31 and 1,691.01 is: 2,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.27 : 7,217.31 = 1,691.01 : x
  2. Step 2: Convert to fraction form
    4,811.27/7,217.31 = 1,691.01/x
  3. Step 3: Cross multiply
    4,811.27x = 7,217.31 × 1,691.01
  4. Step 4: Simplify right side
    4,811.27x = 12,204,543.38
  5. Step 5: Solve for x
    x = 12,204,543.38/4,811.27
  6. Step 6: Final answer
    x = 2,536.66

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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.