Home / 8,413.53-12,617.86-2,866.75

Finding the Fourth Proportional to 8,413.53, 12,617.86 and 2,866.75

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Solution

The fourth proportional to 8,413.53, 12,617.86 and 2,866.75 is: 4,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.53 : 12,617.86 = 2,866.75 : x
  2. Step 2: Convert to fraction form
    8,413.53/12,617.86 = 2,866.75/x
  3. Step 3: Cross multiply
    8,413.53x = 12,617.86 × 2,866.75
  4. Step 4: Simplify right side
    8,413.53x = 36,172,250.16
  5. Step 5: Solve for x
    x = 36,172,250.16/8,413.53
  6. Step 6: Final answer
    x = 4,299.30

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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.