Home / 5,143.14-7,715.06-2,545.38

Finding the Fourth Proportional to 5,143.14, 7,715.06 and 2,545.38

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Solution

The fourth proportional to 5,143.14, 7,715.06 and 2,545.38 is: 3,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.14 : 7,715.06 = 2,545.38 : x
  2. Step 2: Convert to fraction form
    5,143.14/7,715.06 = 2,545.38/x
  3. Step 3: Cross multiply
    5,143.14x = 7,715.06 × 2,545.38
  4. Step 4: Simplify right side
    5,143.14x = 19,637,727.21
  5. Step 5: Solve for x
    x = 19,637,727.21/5,143.14
  6. Step 6: Final answer
    x = 3,818.24

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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.