Home / 5,518.01-8,275.25-1,819.55

Finding the Fourth Proportional to 5,518.01, 8,275.25 and 1,819.55

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Solution

The fourth proportional to 5,518.01, 8,275.25 and 1,819.55 is: 2,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.01 : 8,275.25 = 1,819.55 : x
  2. Step 2: Convert to fraction form
    5,518.01/8,275.25 = 1,819.55/x
  3. Step 3: Cross multiply
    5,518.01x = 8,275.25 × 1,819.55
  4. Step 4: Simplify right side
    5,518.01x = 15,057,231.14
  5. Step 5: Solve for x
    x = 15,057,231.14/5,518.01
  6. Step 6: Final answer
    x = 2,728.74

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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.