Home / 4,890-6,748.26-2,794.32

Finding the Fourth Proportional to 4,890, 6,748.26 and 2,794.32

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Solution

The fourth proportional to 4,890, 6,748.26 and 2,794.32 is: 3,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890 : 6,748.26 = 2,794.32 : x
  2. Step 2: Convert to fraction form
    4,890/6,748.26 = 2,794.32/x
  3. Step 3: Cross multiply
    4,890x = 6,748.26 × 2,794.32
  4. Step 4: Simplify right side
    4,890x = 18,856,797.88
  5. Step 5: Solve for x
    x = 18,856,797.88/4,890
  6. Step 6: Final answer
    x = 3,856.20

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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.