Home / 4,221.26-6,333.90-1,626.02

Finding the Fourth Proportional to 4,221.26, 6,333.90 and 1,626.02

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Solution

The fourth proportional to 4,221.26, 6,333.90 and 1,626.02 is: 2,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.26 : 6,333.90 = 1,626.02 : x
  2. Step 2: Convert to fraction form
    4,221.26/6,333.90 = 1,626.02/x
  3. Step 3: Cross multiply
    4,221.26x = 6,333.90 × 1,626.02
  4. Step 4: Simplify right side
    4,221.26x = 10,299,048.08
  5. Step 5: Solve for x
    x = 10,299,048.08/4,221.26
  6. Step 6: Final answer
    x = 2,439.80

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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.