Home / 7,679.34-11,519.15-3,296.84

Finding the Fourth Proportional to 7,679.34, 11,519.15 and 3,296.84

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Solution

The fourth proportional to 7,679.34, 11,519.15 and 3,296.84 is: 4,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.34 : 11,519.15 = 3,296.84 : x
  2. Step 2: Convert to fraction form
    7,679.34/11,519.15 = 3,296.84/x
  3. Step 3: Cross multiply
    7,679.34x = 11,519.15 × 3,296.84
  4. Step 4: Simplify right side
    7,679.34x = 37,976,720.41
  5. Step 5: Solve for x
    x = 37,976,720.41/7,679.34
  6. Step 6: Final answer
    x = 4,945.31

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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.