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Finding the Fourth Proportional to 6,413.33, 8,856.50 and 6,063.87

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Solution

The fourth proportional to 6,413.33, 8,856.50 and 6,063.87 is: 8,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.33 : 8,856.50 = 6,063.87 : x
  2. Step 2: Convert to fraction form
    6,413.33/8,856.50 = 6,063.87/x
  3. Step 3: Cross multiply
    6,413.33x = 8,856.50 × 6,063.87
  4. Step 4: Simplify right side
    6,413.33x = 53,704,634.34
  5. Step 5: Solve for x
    x = 53,704,634.34/6,413.33
  6. Step 6: Final answer
    x = 8,373.91

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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.