Home / 7,679.44-11,519.09-3,518.27

Finding the Fourth Proportional to 7,679.44, 11,519.09 and 3,518.27

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Solution

The fourth proportional to 7,679.44, 11,519.09 and 3,518.27 is: 5,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.44 : 11,519.09 = 3,518.27 : x
  2. Step 2: Convert to fraction form
    7,679.44/11,519.09 = 3,518.27/x
  3. Step 3: Cross multiply
    7,679.44x = 11,519.09 × 3,518.27
  4. Step 4: Simplify right side
    7,679.44x = 40,527,271.58
  5. Step 5: Solve for x
    x = 40,527,271.58/7,679.44
  6. Step 6: Final answer
    x = 5,277.37

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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.