Home / 9,220.92-13,831.38-2,986.25

Finding the Fourth Proportional to 9,220.92, 13,831.38 and 2,986.25

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Solution

The fourth proportional to 9,220.92, 13,831.38 and 2,986.25 is: 4,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.92 : 13,831.38 = 2,986.25 : x
  2. Step 2: Convert to fraction form
    9,220.92/13,831.38 = 2,986.25/x
  3. Step 3: Cross multiply
    9,220.92x = 13,831.38 × 2,986.25
  4. Step 4: Simplify right side
    9,220.92x = 41,303,889.37
  5. Step 5: Solve for x
    x = 41,303,889.37/9,220.92
  6. Step 6: Final answer
    x = 4,479.37

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Similar ratio
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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.