Home / 6,481.28-8,935.97-4,239.60

Finding the Fourth Proportional to 6,481.28, 8,935.97 and 4,239.60

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Solution

The fourth proportional to 6,481.28, 8,935.97 and 4,239.60 is: 5,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.28 : 8,935.97 = 4,239.60 : x
  2. Step 2: Convert to fraction form
    6,481.28/8,935.97 = 4,239.60/x
  3. Step 3: Cross multiply
    6,481.28x = 8,935.97 × 4,239.60
  4. Step 4: Simplify right side
    6,481.28x = 37,884,938.41
  5. Step 5: Solve for x
    x = 37,884,938.41/6,481.28
  6. Step 6: Final answer
    x = 5,845.29

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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.