Home / 5,619.32-7,755.09-3,261.82

Finding the Fourth Proportional to 5,619.32, 7,755.09 and 3,261.82

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Solution

The fourth proportional to 5,619.32, 7,755.09 and 3,261.82 is: 4,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.32 : 7,755.09 = 3,261.82 : x
  2. Step 2: Convert to fraction form
    5,619.32/7,755.09 = 3,261.82/x
  3. Step 3: Cross multiply
    5,619.32x = 7,755.09 × 3,261.82
  4. Step 4: Simplify right side
    5,619.32x = 25,295,652.58
  5. Step 5: Solve for x
    x = 25,295,652.58/5,619.32
  6. Step 6: Final answer
    x = 4,501.55

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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.