Home / 8,942.02-13,413.03-2,786.50

Finding the Fourth Proportional to 8,942.02, 13,413.03 and 2,786.50

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Solution

The fourth proportional to 8,942.02, 13,413.03 and 2,786.50 is: 4,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.02 : 13,413.03 = 2,786.50 : x
  2. Step 2: Convert to fraction form
    8,942.02/13,413.03 = 2,786.50/x
  3. Step 3: Cross multiply
    8,942.02x = 13,413.03 × 2,786.50
  4. Step 4: Simplify right side
    8,942.02x = 37,375,408.10
  5. Step 5: Solve for x
    x = 37,375,408.10/8,942.02
  6. Step 6: Final answer
    x = 4,179.75

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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.