Home / 4,220.79-6,329.01-2,469.21

Finding the Fourth Proportional to 4,220.79, 6,329.01 and 2,469.21

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Solution

The fourth proportional to 4,220.79, 6,329.01 and 2,469.21 is: 3,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.79 : 6,329.01 = 2,469.21 : x
  2. Step 2: Convert to fraction form
    4,220.79/6,329.01 = 2,469.21/x
  3. Step 3: Cross multiply
    4,220.79x = 6,329.01 × 2,469.21
  4. Step 4: Simplify right side
    4,220.79x = 15,627,654.78
  5. Step 5: Solve for x
    x = 15,627,654.78/4,220.79
  6. Step 6: Final answer
    x = 3,702.54

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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.