Home / 4,879.90-7,314.99-2,797.39

Finding the Fourth Proportional to 4,879.90, 7,314.99 and 2,797.39

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Solution

The fourth proportional to 4,879.90, 7,314.99 and 2,797.39 is: 4,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.90 : 7,314.99 = 2,797.39 : x
  2. Step 2: Convert to fraction form
    4,879.90/7,314.99 = 2,797.39/x
  3. Step 3: Cross multiply
    4,879.90x = 7,314.99 × 2,797.39
  4. Step 4: Simplify right side
    4,879.90x = 20,462,879.88
  5. Step 5: Solve for x
    x = 20,462,879.88/4,879.90
  6. Step 6: Final answer
    x = 4,193.30

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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.