Home / 8,413.36-12,619.96-2,866.64

Finding the Fourth Proportional to 8,413.36, 12,619.96 and 2,866.64

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Solution

The fourth proportional to 8,413.36, 12,619.96 and 2,866.64 is: 4,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.36 : 12,619.96 = 2,866.64 : x
  2. Step 2: Convert to fraction form
    8,413.36/12,619.96 = 2,866.64/x
  3. Step 3: Cross multiply
    8,413.36x = 12,619.96 × 2,866.64
  4. Step 4: Simplify right side
    8,413.36x = 36,176,882.13
  5. Step 5: Solve for x
    x = 36,176,882.13/8,413.36
  6. Step 6: Final answer
    x = 4,299.93

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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.