Home / 4,789.78-6,610.68-2,799.94

Finding the Fourth Proportional to 4,789.78, 6,610.68 and 2,799.94

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Solution

The fourth proportional to 4,789.78, 6,610.68 and 2,799.94 is: 3,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.78 : 6,610.68 = 2,799.94 : x
  2. Step 2: Convert to fraction form
    4,789.78/6,610.68 = 2,799.94/x
  3. Step 3: Cross multiply
    4,789.78x = 6,610.68 × 2,799.94
  4. Step 4: Simplify right side
    4,789.78x = 18,509,507.36
  5. Step 5: Solve for x
    x = 18,509,507.36/4,789.78
  6. Step 6: Final answer
    x = 3,864.38

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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.