Home / 5,279.71-7,285.93-3,183.84

Finding the Fourth Proportional to 5,279.71, 7,285.93 and 3,183.84

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Solution

The fourth proportional to 5,279.71, 7,285.93 and 3,183.84 is: 4,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.71 : 7,285.93 = 3,183.84 : x
  2. Step 2: Convert to fraction form
    5,279.71/7,285.93 = 3,183.84/x
  3. Step 3: Cross multiply
    5,279.71x = 7,285.93 × 3,183.84
  4. Step 4: Simplify right side
    5,279.71x = 23,197,198.94
  5. Step 5: Solve for x
    x = 23,197,198.94/5,279.71
  6. Step 6: Final answer
    x = 4,393.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.