Home / 7,939.22-10,951.16-5,110.28

Finding the Fourth Proportional to 7,939.22, 10,951.16 and 5,110.28

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Solution

The fourth proportional to 7,939.22, 10,951.16 and 5,110.28 is: 7,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.22 : 10,951.16 = 5,110.28 : x
  2. Step 2: Convert to fraction form
    7,939.22/10,951.16 = 5,110.28/x
  3. Step 3: Cross multiply
    7,939.22x = 10,951.16 × 5,110.28
  4. Step 4: Simplify right side
    7,939.22x = 55,963,413.62
  5. Step 5: Solve for x
    x = 55,963,413.62/7,939.22
  6. Step 6: Final answer
    x = 7,048.99

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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.