Home / 5,143.26-7,711.11-2,545.59

Finding the Fourth Proportional to 5,143.26, 7,711.11 and 2,545.59

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Solution

The fourth proportional to 5,143.26, 7,711.11 and 2,545.59 is: 3,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.26 : 7,711.11 = 2,545.59 : x
  2. Step 2: Convert to fraction form
    5,143.26/7,711.11 = 2,545.59/x
  3. Step 3: Cross multiply
    5,143.26x = 7,711.11 × 2,545.59
  4. Step 4: Simplify right side
    5,143.26x = 19,629,324.50
  5. Step 5: Solve for x
    x = 19,629,324.50/5,143.26
  6. Step 6: Final answer
    x = 3,816.51

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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.