Home / 9,220.40-13,831.38-3,955.64

Finding the Fourth Proportional to 9,220.40, 13,831.38 and 3,955.64

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Solution

The fourth proportional to 9,220.40, 13,831.38 and 3,955.64 is: 5,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.40 : 13,831.38 = 3,955.64 : x
  2. Step 2: Convert to fraction form
    9,220.40/13,831.38 = 3,955.64/x
  3. Step 3: Cross multiply
    9,220.40x = 13,831.38 × 3,955.64
  4. Step 4: Simplify right side
    9,220.40x = 54,711,890.83
  5. Step 5: Solve for x
    x = 54,711,890.83/9,220.40
  6. Step 6: Final answer
    x = 5,933.79

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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.