Home / 4,807.85-6,634.91-2,819.84

Finding the Fourth Proportional to 4,807.85, 6,634.91 and 2,819.84

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Solution

The fourth proportional to 4,807.85, 6,634.91 and 2,819.84 is: 3,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.85 : 6,634.91 = 2,819.84 : x
  2. Step 2: Convert to fraction form
    4,807.85/6,634.91 = 2,819.84/x
  3. Step 3: Cross multiply
    4,807.85x = 6,634.91 × 2,819.84
  4. Step 4: Simplify right side
    4,807.85x = 18,709,358.49
  5. Step 5: Solve for x
    x = 18,709,358.49/4,807.85
  6. Step 6: Final answer
    x = 3,891.42

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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.