Home / 4,747.05-7,121.79-1,824.57

Finding the Fourth Proportional to 4,747.05, 7,121.79 and 1,824.57

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Solution

The fourth proportional to 4,747.05, 7,121.79 and 1,824.57 is: 2,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.05 : 7,121.79 = 1,824.57 : x
  2. Step 2: Convert to fraction form
    4,747.05/7,121.79 = 1,824.57/x
  3. Step 3: Cross multiply
    4,747.05x = 7,121.79 × 1,824.57
  4. Step 4: Simplify right side
    4,747.05x = 12,994,204.38
  5. Step 5: Solve for x
    x = 12,994,204.38/4,747.05
  6. Step 6: Final answer
    x = 2,737.32

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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.