Home / 8,213.42-11,334.57-4,676.64

Finding the Fourth Proportional to 8,213.42, 11,334.57 and 4,676.64

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Solution

The fourth proportional to 8,213.42, 11,334.57 and 4,676.64 is: 6,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.42 : 11,334.57 = 4,676.64 : x
  2. Step 2: Convert to fraction form
    8,213.42/11,334.57 = 4,676.64/x
  3. Step 3: Cross multiply
    8,213.42x = 11,334.57 × 4,676.64
  4. Step 4: Simplify right side
    8,213.42x = 53,007,643.40
  5. Step 5: Solve for x
    x = 53,007,643.40/8,213.42
  6. Step 6: Final answer
    x = 6,453.79

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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.