Home / 8,553.85-12,831.13-2,935.38

Finding the Fourth Proportional to 8,553.85, 12,831.13 and 2,935.38

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Solution

The fourth proportional to 8,553.85, 12,831.13 and 2,935.38 is: 4,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.85 : 12,831.13 = 2,935.38 : x
  2. Step 2: Convert to fraction form
    8,553.85/12,831.13 = 2,935.38/x
  3. Step 3: Cross multiply
    8,553.85x = 12,831.13 × 2,935.38
  4. Step 4: Simplify right side
    8,553.85x = 37,664,229.58
  5. Step 5: Solve for x
    x = 37,664,229.58/8,553.85
  6. Step 6: Final answer
    x = 4,403.19

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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.