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Finding the Fourth Proportional to 5,576.37, 8,364.84 and 1,879.71

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Solution

The fourth proportional to 5,576.37, 8,364.84 and 1,879.71 is: 2,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.37 : 8,364.84 = 1,879.71 : x
  2. Step 2: Convert to fraction form
    5,576.37/8,364.84 = 1,879.71/x
  3. Step 3: Cross multiply
    5,576.37x = 8,364.84 × 1,879.71
  4. Step 4: Simplify right side
    5,576.37x = 15,723,473.40
  5. Step 5: Solve for x
    x = 15,723,473.40/5,576.37
  6. Step 6: Final answer
    x = 2,819.66

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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.