Home / 9,413.40-12,991.26-5,223

Finding the Fourth Proportional to 9,413.40, 12,991.26 and 5,223

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Solution

The fourth proportional to 9,413.40, 12,991.26 and 5,223 is: 7,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.40 : 12,991.26 = 5,223 : x
  2. Step 2: Convert to fraction form
    9,413.40/12,991.26 = 5,223/x
  3. Step 3: Cross multiply
    9,413.40x = 12,991.26 × 5,223
  4. Step 4: Simplify right side
    9,413.40x = 67,853,350.98
  5. Step 5: Solve for x
    x = 67,853,350.98/9,413.40
  6. Step 6: Final answer
    x = 7,208.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.