Home / 7,127.14-10,696.47-3,665.38

Finding the Fourth Proportional to 7,127.14, 10,696.47 and 3,665.38

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Solution

The fourth proportional to 7,127.14, 10,696.47 and 3,665.38 is: 5,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.14 : 10,696.47 = 3,665.38 : x
  2. Step 2: Convert to fraction form
    7,127.14/10,696.47 = 3,665.38/x
  3. Step 3: Cross multiply
    7,127.14x = 10,696.47 × 3,665.38
  4. Step 4: Simplify right side
    7,127.14x = 39,206,627.21
  5. Step 5: Solve for x
    x = 39,206,627.21/7,127.14
  6. Step 6: Final answer
    x = 5,501.03

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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.