Home / 6,239.48-8,613.60-3,882.38

Finding the Fourth Proportional to 6,239.48, 8,613.60 and 3,882.38

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Solution

The fourth proportional to 6,239.48, 8,613.60 and 3,882.38 is: 5,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.48 : 8,613.60 = 3,882.38 : x
  2. Step 2: Convert to fraction form
    6,239.48/8,613.60 = 3,882.38/x
  3. Step 3: Cross multiply
    6,239.48x = 8,613.60 × 3,882.38
  4. Step 4: Simplify right side
    6,239.48x = 33,441,268.37
  5. Step 5: Solve for x
    x = 33,441,268.37/6,239.48
  6. Step 6: Final answer
    x = 5,359.62

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Double scale
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1.5x scale

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.