Home / 5,413.02-8,114.49-1,901.09

Finding the Fourth Proportional to 5,413.02, 8,114.49 and 1,901.09

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Solution

The fourth proportional to 5,413.02, 8,114.49 and 1,901.09 is: 2,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.02 : 8,114.49 = 1,901.09 : x
  2. Step 2: Convert to fraction form
    5,413.02/8,114.49 = 1,901.09/x
  3. Step 3: Cross multiply
    5,413.02x = 8,114.49 × 1,901.09
  4. Step 4: Simplify right side
    5,413.02x = 15,426,375.79
  5. Step 5: Solve for x
    x = 15,426,375.79/5,413.02
  6. Step 6: Final answer
    x = 2,849.86

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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.