Home / 4,636.64-6,398.70-2,819.66

Finding the Fourth Proportional to 4,636.64, 6,398.70 and 2,819.66

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Solution

The fourth proportional to 4,636.64, 6,398.70 and 2,819.66 is: 3,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.64 : 6,398.70 = 2,819.66 : x
  2. Step 2: Convert to fraction form
    4,636.64/6,398.70 = 2,819.66/x
  3. Step 3: Cross multiply
    4,636.64x = 6,398.70 × 2,819.66
  4. Step 4: Simplify right side
    4,636.64x = 18,042,158.44
  5. Step 5: Solve for x
    x = 18,042,158.44/4,636.64
  6. Step 6: Final answer
    x = 3,891.21

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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.