Home / 6,388.35-9,582.18-3,091.44

Finding the Fourth Proportional to 6,388.35, 9,582.18 and 3,091.44

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Solution

The fourth proportional to 6,388.35, 9,582.18 and 3,091.44 is: 4,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.35 : 9,582.18 = 3,091.44 : x
  2. Step 2: Convert to fraction form
    6,388.35/9,582.18 = 3,091.44/x
  3. Step 3: Cross multiply
    6,388.35x = 9,582.18 × 3,091.44
  4. Step 4: Simplify right side
    6,388.35x = 29,622,734.54
  5. Step 5: Solve for x
    x = 29,622,734.54/6,388.35
  6. Step 6: Final answer
    x = 4,636.99

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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.