Home / 8,413.87-11,608.54-4,779.35

Finding the Fourth Proportional to 8,413.87, 11,608.54 and 4,779.35

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Solution

The fourth proportional to 8,413.87, 11,608.54 and 4,779.35 is: 6,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.87 : 11,608.54 = 4,779.35 : x
  2. Step 2: Convert to fraction form
    8,413.87/11,608.54 = 4,779.35/x
  3. Step 3: Cross multiply
    8,413.87x = 11,608.54 × 4,779.35
  4. Step 4: Simplify right side
    8,413.87x = 55,481,205.66
  5. Step 5: Solve for x
    x = 55,481,205.66/8,413.87
  6. Step 6: Final answer
    x = 6,594.02

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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.