Home / 5,517.76-8,274.88-1,819.30

Finding the Fourth Proportional to 5,517.76, 8,274.88 and 1,819.30

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Solution

The fourth proportional to 5,517.76, 8,274.88 and 1,819.30 is: 2,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.76 : 8,274.88 = 1,819.30 : x
  2. Step 2: Convert to fraction form
    5,517.76/8,274.88 = 1,819.30/x
  3. Step 3: Cross multiply
    5,517.76x = 8,274.88 × 1,819.30
  4. Step 4: Simplify right side
    5,517.76x = 15,054,438.71
  5. Step 5: Solve for x
    x = 15,054,438.71/5,517.76
  6. Step 6: Final answer
    x = 2,728.36

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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.