Home / 9,110.07-12,571.92-5,131.23

Finding the Fourth Proportional to 9,110.07, 12,571.92 and 5,131.23

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Solution

The fourth proportional to 9,110.07, 12,571.92 and 5,131.23 is: 7,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.07 : 12,571.92 = 5,131.23 : x
  2. Step 2: Convert to fraction form
    9,110.07/12,571.92 = 5,131.23/x
  3. Step 3: Cross multiply
    9,110.07x = 12,571.92 × 5,131.23
  4. Step 4: Simplify right side
    9,110.07x = 64,509,413.06
  5. Step 5: Solve for x
    x = 64,509,413.06/9,110.07
  6. Step 6: Final answer
    x = 7,081.11

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1.5x scale

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.