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Finding the Fourth Proportional to 8,063.83, 12,084.40 and 6,413.05

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Solution

The fourth proportional to 8,063.83, 12,084.40 and 6,413.05 is: 9,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.83 : 12,084.40 = 6,413.05 : x
  2. Step 2: Convert to fraction form
    8,063.83/12,084.40 = 6,413.05/x
  3. Step 3: Cross multiply
    8,063.83x = 12,084.40 × 6,413.05
  4. Step 4: Simplify right side
    8,063.83x = 77,497,861.42
  5. Step 5: Solve for x
    x = 77,497,861.42/8,063.83
  6. Step 6: Final answer
    x = 9,610.55

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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.