Home / 5,519.26-8,277.13-1,820.80

Finding the Fourth Proportional to 5,519.26, 8,277.13 and 1,820.80

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Solution

The fourth proportional to 5,519.26, 8,277.13 and 1,820.80 is: 2,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.26 : 8,277.13 = 1,820.80 : x
  2. Step 2: Convert to fraction form
    5,519.26/8,277.13 = 1,820.80/x
  3. Step 3: Cross multiply
    5,519.26x = 8,277.13 × 1,820.80
  4. Step 4: Simplify right side
    5,519.26x = 15,070,998.30
  5. Step 5: Solve for x
    x = 15,070,998.30/5,519.26
  6. Step 6: Final answer
    x = 2,730.62

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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.