Home / 7,819.51-11,729.28-1,896.37

Finding the Fourth Proportional to 7,819.51, 11,729.28 and 1,896.37

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Solution

The fourth proportional to 7,819.51, 11,729.28 and 1,896.37 is: 2,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.51 : 11,729.28 = 1,896.37 : x
  2. Step 2: Convert to fraction form
    7,819.51/11,729.28 = 1,896.37/x
  3. Step 3: Cross multiply
    7,819.51x = 11,729.28 × 1,896.37
  4. Step 4: Simplify right side
    7,819.51x = 22,243,025.39
  5. Step 5: Solve for x
    x = 22,243,025.39/7,819.51
  6. Step 6: Final answer
    x = 2,844.56

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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.