Home / 7,413.36-11,120.40-2,796

Finding the Fourth Proportional to 7,413.36, 11,120.40 and 2,796

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Solution

The fourth proportional to 7,413.36, 11,120.40 and 2,796 is: 4,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.36 : 11,120.40 = 2,796 : x
  2. Step 2: Convert to fraction form
    7,413.36/11,120.40 = 2,796/x
  3. Step 3: Cross multiply
    7,413.36x = 11,120.40 × 2,796
  4. Step 4: Simplify right side
    7,413.36x = 31,092,638.40
  5. Step 5: Solve for x
    x = 31,092,638.40/7,413.36
  6. Step 6: Final answer
    x = 4,194.14

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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.