Home / 4,890-6,748.20-2,794.17

Finding the Fourth Proportional to 4,890, 6,748.20 and 2,794.17

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Solution

The fourth proportional to 4,890, 6,748.20 and 2,794.17 is: 3,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890 : 6,748.20 = 2,794.17 : x
  2. Step 2: Convert to fraction form
    4,890/6,748.20 = 2,794.17/x
  3. Step 3: Cross multiply
    4,890x = 6,748.20 × 2,794.17
  4. Step 4: Simplify right side
    4,890x = 18,855,617.99
  5. Step 5: Solve for x
    x = 18,855,617.99/4,890
  6. Step 6: Final answer
    x = 3,855.95

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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.