Home / 4,918.89-6,789.50-3,217.64

Finding the Fourth Proportional to 4,918.89, 6,789.50 and 3,217.64

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Solution

The fourth proportional to 4,918.89, 6,789.50 and 3,217.64 is: 4,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.89 : 6,789.50 = 3,217.64 : x
  2. Step 2: Convert to fraction form
    4,918.89/6,789.50 = 3,217.64/x
  3. Step 3: Cross multiply
    4,918.89x = 6,789.50 × 3,217.64
  4. Step 4: Simplify right side
    4,918.89x = 21,846,185.10
  5. Step 5: Solve for x
    x = 21,846,185.10/4,918.89
  6. Step 6: Final answer
    x = 4,441.28

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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.