Home / 5,519.82-8,277.97-1,821.36

Finding the Fourth Proportional to 5,519.82, 8,277.97 and 1,821.36

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Solution

The fourth proportional to 5,519.82, 8,277.97 and 1,821.36 is: 2,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.82 : 8,277.97 = 1,821.36 : x
  2. Step 2: Convert to fraction form
    5,519.82/8,277.97 = 1,821.36/x
  3. Step 3: Cross multiply
    5,519.82x = 8,277.97 × 1,821.36
  4. Step 4: Simplify right side
    5,519.82x = 15,077,142.74
  5. Step 5: Solve for x
    x = 15,077,142.74/5,519.82
  6. Step 6: Final answer
    x = 2,731.46

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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.