Home / 6,119.49-8,449.74-3,996.48

Finding the Fourth Proportional to 6,119.49, 8,449.74 and 3,996.48

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Solution

The fourth proportional to 6,119.49, 8,449.74 and 3,996.48 is: 5,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.49 : 8,449.74 = 3,996.48 : x
  2. Step 2: Convert to fraction form
    6,119.49/8,449.74 = 3,996.48/x
  3. Step 3: Cross multiply
    6,119.49x = 8,449.74 × 3,996.48
  4. Step 4: Simplify right side
    6,119.49x = 33,769,216.92
  5. Step 5: Solve for x
    x = 33,769,216.92/6,119.49
  6. Step 6: Final answer
    x = 5,518.31

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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.