Home / 4,808.28-6,636-2,819.58

Finding the Fourth Proportional to 4,808.28, 6,636 and 2,819.58

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Solution

The fourth proportional to 4,808.28, 6,636 and 2,819.58 is: 3,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.28 : 6,636 = 2,819.58 : x
  2. Step 2: Convert to fraction form
    4,808.28/6,636 = 2,819.58/x
  3. Step 3: Cross multiply
    4,808.28x = 6,636 × 2,819.58
  4. Step 4: Simplify right side
    4,808.28x = 18,710,732.88
  5. Step 5: Solve for x
    x = 18,710,732.88/4,808.28
  6. Step 6: Final answer
    x = 3,891.36

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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.