Home / 8,211.94-11,332.48-4,485.94

Finding the Fourth Proportional to 8,211.94, 11,332.48 and 4,485.94

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Solution

The fourth proportional to 8,211.94, 11,332.48 and 4,485.94 is: 6,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.94 : 11,332.48 = 4,485.94 : x
  2. Step 2: Convert to fraction form
    8,211.94/11,332.48 = 4,485.94/x
  3. Step 3: Cross multiply
    8,211.94x = 11,332.48 × 4,485.94
  4. Step 4: Simplify right side
    8,211.94x = 50,836,825.33
  5. Step 5: Solve for x
    x = 50,836,825.33/8,211.94
  6. Step 6: Final answer
    x = 6,190.60

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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.