Home / 8,413.50-11,610.87-4,687.74

Finding the Fourth Proportional to 8,413.50, 11,610.87 and 4,687.74

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Solution

The fourth proportional to 8,413.50, 11,610.87 and 4,687.74 is: 6,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.50 : 11,610.87 = 4,687.74 : x
  2. Step 2: Convert to fraction form
    8,413.50/11,610.87 = 4,687.74/x
  3. Step 3: Cross multiply
    8,413.50x = 11,610.87 × 4,687.74
  4. Step 4: Simplify right side
    8,413.50x = 54,428,739.73
  5. Step 5: Solve for x
    x = 54,428,739.73/8,413.50
  6. Step 6: Final answer
    x = 6,469.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.