Home / 8,928.69-12,322.19-4,949.97

Finding the Fourth Proportional to 8,928.69, 12,322.19 and 4,949.97

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Solution

The fourth proportional to 8,928.69, 12,322.19 and 4,949.97 is: 6,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.69 : 12,322.19 = 4,949.97 : x
  2. Step 2: Convert to fraction form
    8,928.69/12,322.19 = 4,949.97/x
  3. Step 3: Cross multiply
    8,928.69x = 12,322.19 × 4,949.97
  4. Step 4: Simplify right side
    8,928.69x = 60,994,470.83
  5. Step 5: Solve for x
    x = 60,994,470.83/8,928.69
  6. Step 6: Final answer
    x = 6,831.29

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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.