Home / 7,343.31-11,015-2,149.19

Finding the Fourth Proportional to 7,343.31, 11,015 and 2,149.19

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Solution

The fourth proportional to 7,343.31, 11,015 and 2,149.19 is: 3,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.31 : 11,015 = 2,149.19 : x
  2. Step 2: Convert to fraction form
    7,343.31/11,015 = 2,149.19/x
  3. Step 3: Cross multiply
    7,343.31x = 11,015 × 2,149.19
  4. Step 4: Simplify right side
    7,343.31x = 23,673,327.85
  5. Step 5: Solve for x
    x = 23,673,327.85/7,343.31
  6. Step 6: Final answer
    x = 3,223.80

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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.