Home / 7,824.38-11,738.49-2,277.77

Finding the Fourth Proportional to 7,824.38, 11,738.49 and 2,277.77

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Solution

The fourth proportional to 7,824.38, 11,738.49 and 2,277.77 is: 3,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.38 : 11,738.49 = 2,277.77 : x
  2. Step 2: Convert to fraction form
    7,824.38/11,738.49 = 2,277.77/x
  3. Step 3: Cross multiply
    7,824.38x = 11,738.49 × 2,277.77
  4. Step 4: Simplify right side
    7,824.38x = 26,737,631.40
  5. Step 5: Solve for x
    x = 26,737,631.40/7,824.38
  6. Step 6: Final answer
    x = 3,417.22

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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.