Home / 7,221.94-10,831.35-4,217.97

Finding the Fourth Proportional to 7,221.94, 10,831.35 and 4,217.97

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Solution

The fourth proportional to 7,221.94, 10,831.35 and 4,217.97 is: 6,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.94 : 10,831.35 = 4,217.97 : x
  2. Step 2: Convert to fraction form
    7,221.94/10,831.35 = 4,217.97/x
  3. Step 3: Cross multiply
    7,221.94x = 10,831.35 × 4,217.97
  4. Step 4: Simplify right side
    7,221.94x = 45,686,309.36
  5. Step 5: Solve for x
    x = 45,686,309.36/7,221.94
  6. Step 6: Final answer
    x = 6,326.04

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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.