Home / 8,895.38-13,324.62-5,186.36

Finding the Fourth Proportional to 8,895.38, 13,324.62 and 5,186.36

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Solution

The fourth proportional to 8,895.38, 13,324.62 and 5,186.36 is: 7,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.38 : 13,324.62 = 5,186.36 : x
  2. Step 2: Convert to fraction form
    8,895.38/13,324.62 = 5,186.36/x
  3. Step 3: Cross multiply
    8,895.38x = 13,324.62 × 5,186.36
  4. Step 4: Simplify right side
    8,895.38x = 69,106,309.49
  5. Step 5: Solve for x
    x = 69,106,309.49/8,895.38
  6. Step 6: Final answer
    x = 7,768.78

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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.