Home / 8,413.33-11,610.40-4,878.60

Finding the Fourth Proportional to 8,413.33, 11,610.40 and 4,878.60

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Solution

The fourth proportional to 8,413.33, 11,610.40 and 4,878.60 is: 6,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.33 : 11,610.40 = 4,878.60 : x
  2. Step 2: Convert to fraction form
    8,413.33/11,610.40 = 4,878.60/x
  3. Step 3: Cross multiply
    8,413.33x = 11,610.40 × 4,878.60
  4. Step 4: Simplify right side
    8,413.33x = 56,642,497.44
  5. Step 5: Solve for x
    x = 56,642,497.44/8,413.33
  6. Step 6: Final answer
    x = 6,732.47

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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.