Home / 5,163.84-7,745.65-3,498.75

Finding the Fourth Proportional to 5,163.84, 7,745.65 and 3,498.75

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Solution

The fourth proportional to 5,163.84, 7,745.65 and 3,498.75 is: 5,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.84 : 7,745.65 = 3,498.75 : x
  2. Step 2: Convert to fraction form
    5,163.84/7,745.65 = 3,498.75/x
  3. Step 3: Cross multiply
    5,163.84x = 7,745.65 × 3,498.75
  4. Step 4: Simplify right side
    5,163.84x = 27,100,092.94
  5. Step 5: Solve for x
    x = 27,100,092.94/5,163.84
  6. Step 6: Final answer
    x = 5,248.05

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Half scale
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Double scale
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Similar ratio
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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.