Home / 8,853.14-13,279.83-2,279.18

Finding the Fourth Proportional to 8,853.14, 13,279.83 and 2,279.18

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Solution

The fourth proportional to 8,853.14, 13,279.83 and 2,279.18 is: 3,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.14 : 13,279.83 = 2,279.18 : x
  2. Step 2: Convert to fraction form
    8,853.14/13,279.83 = 2,279.18/x
  3. Step 3: Cross multiply
    8,853.14x = 13,279.83 × 2,279.18
  4. Step 4: Simplify right side
    8,853.14x = 30,267,122.94
  5. Step 5: Solve for x
    x = 30,267,122.94/8,853.14
  6. Step 6: Final answer
    x = 3,418.80

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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.