Home / 5,929.80-8,185.74-3,540.60

Finding the Fourth Proportional to 5,929.80, 8,185.74 and 3,540.60

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Solution

The fourth proportional to 5,929.80, 8,185.74 and 3,540.60 is: 4,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.80 : 8,185.74 = 3,540.60 : x
  2. Step 2: Convert to fraction form
    5,929.80/8,185.74 = 3,540.60/x
  3. Step 3: Cross multiply
    5,929.80x = 8,185.74 × 3,540.60
  4. Step 4: Simplify right side
    5,929.80x = 28,982,431.04
  5. Step 5: Solve for x
    x = 28,982,431.04/5,929.80
  6. Step 6: Final answer
    x = 4,887.59

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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.