Home / 4,911.84-6,778.49-2,673.87

Finding the Fourth Proportional to 4,911.84, 6,778.49 and 2,673.87

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Solution

The fourth proportional to 4,911.84, 6,778.49 and 2,673.87 is: 3,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.84 : 6,778.49 = 2,673.87 : x
  2. Step 2: Convert to fraction form
    4,911.84/6,778.49 = 2,673.87/x
  3. Step 3: Cross multiply
    4,911.84x = 6,778.49 × 2,673.87
  4. Step 4: Simplify right side
    4,911.84x = 18,124,775.97
  5. Step 5: Solve for x
    x = 18,124,775.97/4,911.84
  6. Step 6: Final answer
    x = 3,690.02

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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.