Home / 4,778.39-6,594.72-2,789.44

Finding the Fourth Proportional to 4,778.39, 6,594.72 and 2,789.44

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Solution

The fourth proportional to 4,778.39, 6,594.72 and 2,789.44 is: 3,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.39 : 6,594.72 = 2,789.44 : x
  2. Step 2: Convert to fraction form
    4,778.39/6,594.72 = 2,789.44/x
  3. Step 3: Cross multiply
    4,778.39x = 6,594.72 × 2,789.44
  4. Step 4: Simplify right side
    4,778.39x = 18,395,548.81
  5. Step 5: Solve for x
    x = 18,395,548.81/4,778.39
  6. Step 6: Final answer
    x = 3,849.74

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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.