Home / 7,347.31-11,021.79-2,669.51

Finding the Fourth Proportional to 7,347.31, 11,021.79 and 2,669.51

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Solution

The fourth proportional to 7,347.31, 11,021.79 and 2,669.51 is: 4,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.31 : 11,021.79 = 2,669.51 : x
  2. Step 2: Convert to fraction form
    7,347.31/11,021.79 = 2,669.51/x
  3. Step 3: Cross multiply
    7,347.31x = 11,021.79 × 2,669.51
  4. Step 4: Simplify right side
    7,347.31x = 29,422,778.62
  5. Step 5: Solve for x
    x = 29,422,778.62/7,347.31
  6. Step 6: Final answer
    x = 4,004.57

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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.