Home / 7,824.86-11,737.28-2,634.38

Finding the Fourth Proportional to 7,824.86, 11,737.28 and 2,634.38

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Solution

The fourth proportional to 7,824.86, 11,737.28 and 2,634.38 is: 3,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.86 : 11,737.28 = 2,634.38 : x
  2. Step 2: Convert to fraction form
    7,824.86/11,737.28 = 2,634.38/x
  3. Step 3: Cross multiply
    7,824.86x = 11,737.28 × 2,634.38
  4. Step 4: Simplify right side
    7,824.86x = 30,920,383.83
  5. Step 5: Solve for x
    x = 30,920,383.83/7,824.86
  6. Step 6: Final answer
    x = 3,951.56

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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.