Home / 5,413.38-8,113.91-2,291.45

Finding the Fourth Proportional to 5,413.38, 8,113.91 and 2,291.45

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Solution

The fourth proportional to 5,413.38, 8,113.91 and 2,291.45 is: 3,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.38 : 8,113.91 = 2,291.45 : x
  2. Step 2: Convert to fraction form
    5,413.38/8,113.91 = 2,291.45/x
  3. Step 3: Cross multiply
    5,413.38x = 8,113.91 × 2,291.45
  4. Step 4: Simplify right side
    5,413.38x = 18,592,567.04
  5. Step 5: Solve for x
    x = 18,592,567.04/5,413.38
  6. Step 6: Final answer
    x = 3,434.56

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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.