Home / 7,339.15-10,989.28-4,413.43

Finding the Fourth Proportional to 7,339.15, 10,989.28 and 4,413.43

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Solution

The fourth proportional to 7,339.15, 10,989.28 and 4,413.43 is: 6,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.15 : 10,989.28 = 4,413.43 : x
  2. Step 2: Convert to fraction form
    7,339.15/10,989.28 = 4,413.43/x
  3. Step 3: Cross multiply
    7,339.15x = 10,989.28 × 4,413.43
  4. Step 4: Simplify right side
    7,339.15x = 48,500,418.03
  5. Step 5: Solve for x
    x = 48,500,418.03/7,339.15
  6. Step 6: Final answer
    x = 6,608.45

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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.