Home / 10,826.44-16,228.62-4,979.80

Finding the Fourth Proportional to 10,826.44, 16,228.62 and 4,979.80

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Solution

The fourth proportional to 10,826.44, 16,228.62 and 4,979.80 is: 7,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.44 : 16,228.62 = 4,979.80 : x
  2. Step 2: Convert to fraction form
    10,826.44/16,228.62 = 4,979.80/x
  3. Step 3: Cross multiply
    10,826.44x = 16,228.62 × 4,979.80
  4. Step 4: Simplify right side
    10,826.44x = 80,815,281.88
  5. Step 5: Solve for x
    x = 80,815,281.88/10,826.44
  6. Step 6: Final answer
    x = 7,464.62

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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.