Home / 8,213.57-11,334.83-4,676.79

Finding the Fourth Proportional to 8,213.57, 11,334.83 and 4,676.79

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Solution

The fourth proportional to 8,213.57, 11,334.83 and 4,676.79 is: 6,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.57 : 11,334.83 = 4,676.79 : x
  2. Step 2: Convert to fraction form
    8,213.57/11,334.83 = 4,676.79/x
  3. Step 3: Cross multiply
    8,213.57x = 11,334.83 × 4,676.79
  4. Step 4: Simplify right side
    8,213.57x = 53,010,619.60
  5. Step 5: Solve for x
    x = 53,010,619.60/8,213.57
  6. Step 6: Final answer
    x = 6,454.03

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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.