Home / 4,219.68-6,323.60-1,996.16

Finding the Fourth Proportional to 4,219.68, 6,323.60 and 1,996.16

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Solution

The fourth proportional to 4,219.68, 6,323.60 and 1,996.16 is: 2,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.68 : 6,323.60 = 1,996.16 : x
  2. Step 2: Convert to fraction form
    4,219.68/6,323.60 = 1,996.16/x
  3. Step 3: Cross multiply
    4,219.68x = 6,323.60 × 1,996.16
  4. Step 4: Simplify right side
    4,219.68x = 12,622,917.38
  5. Step 5: Solve for x
    x = 12,622,917.38/4,219.68
  6. Step 6: Final answer
    x = 2,991.44

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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.