Home / 8,413.46-11,610.57-4,878.72

Finding the Fourth Proportional to 8,413.46, 11,610.57 and 4,878.72

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Solution

The fourth proportional to 8,413.46, 11,610.57 and 4,878.72 is: 6,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.46 : 11,610.57 = 4,878.72 : x
  2. Step 2: Convert to fraction form
    8,413.46/11,610.57 = 4,878.72/x
  3. Step 3: Cross multiply
    8,413.46x = 11,610.57 × 4,878.72
  4. Step 4: Simplify right side
    8,413.46x = 56,644,738.37
  5. Step 5: Solve for x
    x = 56,644,738.37/8,413.46
  6. Step 6: Final answer
    x = 6,732.63

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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.