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Finding the Fourth Proportional to 8,413.44, 12,629.04 and 4,718.76

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Solution

The fourth proportional to 8,413.44, 12,629.04 and 4,718.76 is: 7,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.44 : 12,629.04 = 4,718.76 : x
  2. Step 2: Convert to fraction form
    8,413.44/12,629.04 = 4,718.76/x
  3. Step 3: Cross multiply
    8,413.44x = 12,629.04 × 4,718.76
  4. Step 4: Simplify right side
    8,413.44x = 59,593,408.79
  5. Step 5: Solve for x
    x = 59,593,408.79/8,413.44
  6. Step 6: Final answer
    x = 7,083.12

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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.