Home / 8,939.16-13,413.60-3,748.68

Finding the Fourth Proportional to 8,939.16, 13,413.60 and 3,748.68

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Solution

The fourth proportional to 8,939.16, 13,413.60 and 3,748.68 is: 5,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.16 : 13,413.60 = 3,748.68 : x
  2. Step 2: Convert to fraction form
    8,939.16/13,413.60 = 3,748.68/x
  3. Step 3: Cross multiply
    8,939.16x = 13,413.60 × 3,748.68
  4. Step 4: Simplify right side
    8,939.16x = 50,283,294.05
  5. Step 5: Solve for x
    x = 50,283,294.05/8,939.16
  6. Step 6: Final answer
    x = 5,625.06

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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.