Home / 4,919.90-7,382.88-2,844

Finding the Fourth Proportional to 4,919.90, 7,382.88 and 2,844

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Solution

The fourth proportional to 4,919.90, 7,382.88 and 2,844 is: 4,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.90 : 7,382.88 = 2,844 : x
  2. Step 2: Convert to fraction form
    4,919.90/7,382.88 = 2,844/x
  3. Step 3: Cross multiply
    4,919.90x = 7,382.88 × 2,844
  4. Step 4: Simplify right side
    4,919.90x = 20,996,910.72
  5. Step 5: Solve for x
    x = 20,996,910.72/4,919.90
  6. Step 6: Final answer
    x = 4,267.76

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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.