Home / 5,687.32-7,845.82-3,328

Finding the Fourth Proportional to 5,687.32, 7,845.82 and 3,328

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Solution

The fourth proportional to 5,687.32, 7,845.82 and 3,328 is: 4,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.32 : 7,845.82 = 3,328 : x
  2. Step 2: Convert to fraction form
    5,687.32/7,845.82 = 3,328/x
  3. Step 3: Cross multiply
    5,687.32x = 7,845.82 × 3,328
  4. Step 4: Simplify right side
    5,687.32x = 26,110,888.96
  5. Step 5: Solve for x
    x = 26,110,888.96/5,687.32
  6. Step 6: Final answer
    x = 4,591.07

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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.