Home / 8,186.08-12,280.34-3,804

Finding the Fourth Proportional to 8,186.08, 12,280.34 and 3,804

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Solution

The fourth proportional to 8,186.08, 12,280.34 and 3,804 is: 5,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.08 : 12,280.34 = 3,804 : x
  2. Step 2: Convert to fraction form
    8,186.08/12,280.34 = 3,804/x
  3. Step 3: Cross multiply
    8,186.08x = 12,280.34 × 3,804
  4. Step 4: Simplify right side
    8,186.08x = 46,714,413.36
  5. Step 5: Solve for x
    x = 46,714,413.36/8,186.08
  6. Step 6: Final answer
    x = 5,706.57

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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.