Home / 8,193.49-12,279.97-3,507.99

Finding the Fourth Proportional to 8,193.49, 12,279.97 and 3,507.99

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Solution

The fourth proportional to 8,193.49, 12,279.97 and 3,507.99 is: 5,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.49 : 12,279.97 = 3,507.99 : x
  2. Step 2: Convert to fraction form
    8,193.49/12,279.97 = 3,507.99/x
  3. Step 3: Cross multiply
    8,193.49x = 12,279.97 × 3,507.99
  4. Step 4: Simplify right side
    8,193.49x = 43,078,011.96
  5. Step 5: Solve for x
    x = 43,078,011.96/8,193.49
  6. Step 6: Final answer
    x = 5,257.59

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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.