Home / 4,883.70-6,738.90-2,893.80

Finding the Fourth Proportional to 4,883.70, 6,738.90 and 2,893.80

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Solution

The fourth proportional to 4,883.70, 6,738.90 and 2,893.80 is: 3,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.70 : 6,738.90 = 2,893.80 : x
  2. Step 2: Convert to fraction form
    4,883.70/6,738.90 = 2,893.80/x
  3. Step 3: Cross multiply
    4,883.70x = 6,738.90 × 2,893.80
  4. Step 4: Simplify right side
    4,883.70x = 19,501,028.82
  5. Step 5: Solve for x
    x = 19,501,028.82/4,883.70
  6. Step 6: Final answer
    x = 3,993.08

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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.