Home / 7,876.23-11,809.48-2,943.33

Finding the Fourth Proportional to 7,876.23, 11,809.48 and 2,943.33

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Solution

The fourth proportional to 7,876.23, 11,809.48 and 2,943.33 is: 4,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.23 : 11,809.48 = 2,943.33 : x
  2. Step 2: Convert to fraction form
    7,876.23/11,809.48 = 2,943.33/x
  3. Step 3: Cross multiply
    7,876.23x = 11,809.48 × 2,943.33
  4. Step 4: Simplify right side
    7,876.23x = 34,759,196.77
  5. Step 5: Solve for x
    x = 34,759,196.77/7,876.23
  6. Step 6: Final answer
    x = 4,413.18

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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.