Home / 8,959.35-13,444.64-3,413.18

Finding the Fourth Proportional to 8,959.35, 13,444.64 and 3,413.18

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Solution

The fourth proportional to 8,959.35, 13,444.64 and 3,413.18 is: 5,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.35 : 13,444.64 = 3,413.18 : x
  2. Step 2: Convert to fraction form
    8,959.35/13,444.64 = 3,413.18/x
  3. Step 3: Cross multiply
    8,959.35x = 13,444.64 × 3,413.18
  4. Step 4: Simplify right side
    8,959.35x = 45,888,892.07
  5. Step 5: Solve for x
    x = 45,888,892.07/8,959.35
  6. Step 6: Final answer
    x = 5,121.90

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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.