Home / 4,919.80-6,788.94-2,823.52

Finding the Fourth Proportional to 4,919.80, 6,788.94 and 2,823.52

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Solution

The fourth proportional to 4,919.80, 6,788.94 and 2,823.52 is: 3,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.80 : 6,788.94 = 2,823.52 : x
  2. Step 2: Convert to fraction form
    4,919.80/6,788.94 = 2,823.52/x
  3. Step 3: Cross multiply
    4,919.80x = 6,788.94 × 2,823.52
  4. Step 4: Simplify right side
    4,919.80x = 19,168,707.87
  5. Step 5: Solve for x
    x = 19,168,707.87/4,919.80
  6. Step 6: Final answer
    x = 3,896.24

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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.