Home / 6,443.09-9,668.35-3,481.54

Finding the Fourth Proportional to 6,443.09, 9,668.35 and 3,481.54

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Solution

The fourth proportional to 6,443.09, 9,668.35 and 3,481.54 is: 5,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.09 : 9,668.35 = 3,481.54 : x
  2. Step 2: Convert to fraction form
    6,443.09/9,668.35 = 3,481.54/x
  3. Step 3: Cross multiply
    6,443.09x = 9,668.35 × 3,481.54
  4. Step 4: Simplify right side
    6,443.09x = 33,660,714.38
  5. Step 5: Solve for x
    x = 33,660,714.38/6,443.09
  6. Step 6: Final answer
    x = 5,224.32

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1.5x scale

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.