Home / 4,128.24-6,220.68-3,413.82

Finding the Fourth Proportional to 4,128.24, 6,220.68 and 3,413.82

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Solution

The fourth proportional to 4,128.24, 6,220.68 and 3,413.82 is: 5,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.24 : 6,220.68 = 3,413.82 : x
  2. Step 2: Convert to fraction form
    4,128.24/6,220.68 = 3,413.82/x
  3. Step 3: Cross multiply
    4,128.24x = 6,220.68 × 3,413.82
  4. Step 4: Simplify right side
    4,128.24x = 21,236,281.80
  5. Step 5: Solve for x
    x = 21,236,281.80/4,128.24
  6. Step 6: Final answer
    x = 5,144.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.