Home / 4,149.12-6,223.20-1,413.12

Finding the Fourth Proportional to 4,149.12, 6,223.20 and 1,413.12

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Solution

The fourth proportional to 4,149.12, 6,223.20 and 1,413.12 is: 2,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.12 : 6,223.20 = 1,413.12 : x
  2. Step 2: Convert to fraction form
    4,149.12/6,223.20 = 1,413.12/x
  3. Step 3: Cross multiply
    4,149.12x = 6,223.20 × 1,413.12
  4. Step 4: Simplify right side
    4,149.12x = 8,794,128.38
  5. Step 5: Solve for x
    x = 8,794,128.38/4,149.12
  6. Step 6: Final answer
    x = 2,119.52

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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.