Home / 7,831.38-11,734.77-4,703.97

Finding the Fourth Proportional to 7,831.38, 11,734.77 and 4,703.97

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Solution

The fourth proportional to 7,831.38, 11,734.77 and 4,703.97 is: 7,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.38 : 11,734.77 = 4,703.97 : x
  2. Step 2: Convert to fraction form
    7,831.38/11,734.77 = 4,703.97/x
  3. Step 3: Cross multiply
    7,831.38x = 11,734.77 × 4,703.97
  4. Step 4: Simplify right side
    7,831.38x = 55,200,067.68
  5. Step 5: Solve for x
    x = 55,200,067.68/7,831.38
  6. Step 6: Final answer
    x = 7,048.57

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1.5x scale

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.