Home / 8,450.89-11,661.78-4,673.84

Finding the Fourth Proportional to 8,450.89, 11,661.78 and 4,673.84

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Solution

The fourth proportional to 8,450.89, 11,661.78 and 4,673.84 is: 6,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.89 : 11,661.78 = 4,673.84 : x
  2. Step 2: Convert to fraction form
    8,450.89/11,661.78 = 4,673.84/x
  3. Step 3: Cross multiply
    8,450.89x = 11,661.78 × 4,673.84
  4. Step 4: Simplify right side
    8,450.89x = 54,505,279.25
  5. Step 5: Solve for x
    x = 54,505,279.25/8,450.89
  6. Step 6: Final answer
    x = 6,449.65

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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.