Home / 7,914.36-11,866.83-2,648.09

Finding the Fourth Proportional to 7,914.36, 11,866.83 and 2,648.09

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Solution

The fourth proportional to 7,914.36, 11,866.83 and 2,648.09 is: 3,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.36 : 11,866.83 = 2,648.09 : x
  2. Step 2: Convert to fraction form
    7,914.36/11,866.83 = 2,648.09/x
  3. Step 3: Cross multiply
    7,914.36x = 11,866.83 × 2,648.09
  4. Step 4: Simplify right side
    7,914.36x = 31,424,433.85
  5. Step 5: Solve for x
    x = 31,424,433.85/7,914.36
  6. Step 6: Final answer
    x = 3,970.56

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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.