Home / 9,221.90-13,831.93-3,673.75

Finding the Fourth Proportional to 9,221.90, 13,831.93 and 3,673.75

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Solution

The fourth proportional to 9,221.90, 13,831.93 and 3,673.75 is: 5,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.90 : 13,831.93 = 3,673.75 : x
  2. Step 2: Convert to fraction form
    9,221.90/13,831.93 = 3,673.75/x
  3. Step 3: Cross multiply
    9,221.90x = 13,831.93 × 3,673.75
  4. Step 4: Simplify right side
    9,221.90x = 50,815,052.84
  5. Step 5: Solve for x
    x = 50,815,052.84/9,221.90
  6. Step 6: Final answer
    x = 5,510.26

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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.