Home / 4,086.76-5,634.70-3,456.16

Finding the Fourth Proportional to 4,086.76, 5,634.70 and 3,456.16

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Solution

The fourth proportional to 4,086.76, 5,634.70 and 3,456.16 is: 4,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.76 : 5,634.70 = 3,456.16 : x
  2. Step 2: Convert to fraction form
    4,086.76/5,634.70 = 3,456.16/x
  3. Step 3: Cross multiply
    4,086.76x = 5,634.70 × 3,456.16
  4. Step 4: Simplify right side
    4,086.76x = 19,474,424.75
  5. Step 5: Solve for x
    x = 19,474,424.75/4,086.76
  6. Step 6: Final answer
    x = 4,765.25

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Half 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.