Home / 4,982.58-6,874.83-3,213.90

Finding the Fourth Proportional to 4,982.58, 6,874.83 and 3,213.90

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Solution

The fourth proportional to 4,982.58, 6,874.83 and 3,213.90 is: 4,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.58 : 6,874.83 = 3,213.90 : x
  2. Step 2: Convert to fraction form
    4,982.58/6,874.83 = 3,213.90/x
  3. Step 3: Cross multiply
    4,982.58x = 6,874.83 × 3,213.90
  4. Step 4: Simplify right side
    4,982.58x = 22,095,016.14
  5. Step 5: Solve for x
    x = 22,095,016.14/4,982.58
  6. Step 6: Final answer
    x = 4,434.45

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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.