Home / 4,745.96-7,118.94-3,112.84

Finding the Fourth Proportional to 4,745.96, 7,118.94 and 3,112.84

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Solution

The fourth proportional to 4,745.96, 7,118.94 and 3,112.84 is: 4,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.96 : 7,118.94 = 3,112.84 : x
  2. Step 2: Convert to fraction form
    4,745.96/7,118.94 = 3,112.84/x
  3. Step 3: Cross multiply
    4,745.96x = 7,118.94 × 3,112.84
  4. Step 4: Simplify right side
    4,745.96x = 22,160,121.19
  5. Step 5: Solve for x
    x = 22,160,121.19/4,745.96
  6. Step 6: Final answer
    x = 4,669.26

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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.