Home / 8,945.16-13,413.24-3,100.20

Finding the Fourth Proportional to 8,945.16, 13,413.24 and 3,100.20

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Solution

The fourth proportional to 8,945.16, 13,413.24 and 3,100.20 is: 4,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.16 : 13,413.24 = 3,100.20 : x
  2. Step 2: Convert to fraction form
    8,945.16/13,413.24 = 3,100.20/x
  3. Step 3: Cross multiply
    8,945.16x = 13,413.24 × 3,100.20
  4. Step 4: Simplify right side
    8,945.16x = 41,583,726.65
  5. Step 5: Solve for x
    x = 41,583,726.65/8,945.16
  6. Step 6: Final answer
    x = 4,648.74

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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.