Home / 5,517.63-8,274.69-1,819.17

Finding the Fourth Proportional to 5,517.63, 8,274.69 and 1,819.17

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Solution

The fourth proportional to 5,517.63, 8,274.69 and 1,819.17 is: 2,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.63 : 8,274.69 = 1,819.17 : x
  2. Step 2: Convert to fraction form
    5,517.63/8,274.69 = 1,819.17/x
  3. Step 3: Cross multiply
    5,517.63x = 8,274.69 × 1,819.17
  4. Step 4: Simplify right side
    5,517.63x = 15,053,067.81
  5. Step 5: Solve for x
    x = 15,053,067.81/5,517.63
  6. Step 6: Final answer
    x = 2,728.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.