Home / 4,789.40-6,608.39-2,799.58

Finding the Fourth Proportional to 4,789.40, 6,608.39 and 2,799.58

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Solution

The fourth proportional to 4,789.40, 6,608.39 and 2,799.58 is: 3,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.40 : 6,608.39 = 2,799.58 : x
  2. Step 2: Convert to fraction form
    4,789.40/6,608.39 = 2,799.58/x
  3. Step 3: Cross multiply
    4,789.40x = 6,608.39 × 2,799.58
  4. Step 4: Simplify right side
    4,789.40x = 18,500,681.44
  5. Step 5: Solve for x
    x = 18,500,681.44/4,789.40
  6. Step 6: Final answer
    x = 3,862.84

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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.