Home / 5,519.72-8,279.46-2,596.40

Finding the Fourth Proportional to 5,519.72, 8,279.46 and 2,596.40

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Solution

The fourth proportional to 5,519.72, 8,279.46 and 2,596.40 is: 3,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.72 : 8,279.46 = 2,596.40 : x
  2. Step 2: Convert to fraction form
    5,519.72/8,279.46 = 2,596.40/x
  3. Step 3: Cross multiply
    5,519.72x = 8,279.46 × 2,596.40
  4. Step 4: Simplify right side
    5,519.72x = 21,496,789.94
  5. Step 5: Solve for x
    x = 21,496,789.94/5,519.72
  6. Step 6: Final answer
    x = 3,894.54

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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.