Home / 4,828.70-6,665.25-2,839.85

Finding the Fourth Proportional to 4,828.70, 6,665.25 and 2,839.85

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Solution

The fourth proportional to 4,828.70, 6,665.25 and 2,839.85 is: 3,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.70 : 6,665.25 = 2,839.85 : x
  2. Step 2: Convert to fraction form
    4,828.70/6,665.25 = 2,839.85/x
  3. Step 3: Cross multiply
    4,828.70x = 6,665.25 × 2,839.85
  4. Step 4: Simplify right side
    4,828.70x = 18,928,310.21
  5. Step 5: Solve for x
    x = 18,928,310.21/4,828.70
  6. Step 6: Final answer
    x = 3,919.96

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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.