Home / 4,789.44-7,134.66-4,644.36

Finding the Fourth Proportional to 4,789.44, 7,134.66 and 4,644.36

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Solution

The fourth proportional to 4,789.44, 7,134.66 and 4,644.36 is: 6,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.44 : 7,134.66 = 4,644.36 : x
  2. Step 2: Convert to fraction form
    4,789.44/7,134.66 = 4,644.36/x
  3. Step 3: Cross multiply
    4,789.44x = 7,134.66 × 4,644.36
  4. Step 4: Simplify right side
    4,789.44x = 33,135,929.52
  5. Step 5: Solve for x
    x = 33,135,929.52/4,789.44
  6. Step 6: Final answer
    x = 6,918.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.