Home / 5,578.56-7,699.44-3,809.04

Finding the Fourth Proportional to 5,578.56, 7,699.44 and 3,809.04

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Solution

The fourth proportional to 5,578.56, 7,699.44 and 3,809.04 is: 5,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.56 : 7,699.44 = 3,809.04 : x
  2. Step 2: Convert to fraction form
    5,578.56/7,699.44 = 3,809.04/x
  3. Step 3: Cross multiply
    5,578.56x = 7,699.44 × 3,809.04
  4. Step 4: Simplify right side
    5,578.56x = 29,327,474.94
  5. Step 5: Solve for x
    x = 29,327,474.94/5,578.56
  6. Step 6: Final answer
    x = 5,257.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.