Home / 5,519.69-8,279.54-3,883.56

Finding the Fourth Proportional to 5,519.69, 8,279.54 and 3,883.56

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Solution

The fourth proportional to 5,519.69, 8,279.54 and 3,883.56 is: 5,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.69 : 8,279.54 = 3,883.56 : x
  2. Step 2: Convert to fraction form
    5,519.69/8,279.54 = 3,883.56/x
  3. Step 3: Cross multiply
    5,519.69x = 8,279.54 × 3,883.56
  4. Step 4: Simplify right side
    5,519.69x = 32,154,070.94
  5. Step 5: Solve for x
    x = 32,154,070.94/5,519.69
  6. Step 6: Final answer
    x = 5,825.35

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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.