Home / 7,821.26-11,738.72-4,529.82

Finding the Fourth Proportional to 7,821.26, 11,738.72 and 4,529.82

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Solution

The fourth proportional to 7,821.26, 11,738.72 and 4,529.82 is: 6,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.26 : 11,738.72 = 4,529.82 : x
  2. Step 2: Convert to fraction form
    7,821.26/11,738.72 = 4,529.82/x
  3. Step 3: Cross multiply
    7,821.26x = 11,738.72 × 4,529.82
  4. Step 4: Simplify right side
    7,821.26x = 53,174,343.98
  5. Step 5: Solve for x
    x = 53,174,343.98/7,821.26
  6. Step 6: Final answer
    x = 6,798.69

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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.