Home / 4,879.20-6,735.96-3,369

Finding the Fourth Proportional to 4,879.20, 6,735.96 and 3,369

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Solution

The fourth proportional to 4,879.20, 6,735.96 and 3,369 is: 4,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.20 : 6,735.96 = 3,369 : x
  2. Step 2: Convert to fraction form
    4,879.20/6,735.96 = 3,369/x
  3. Step 3: Cross multiply
    4,879.20x = 6,735.96 × 3,369
  4. Step 4: Simplify right side
    4,879.20x = 22,693,449.24
  5. Step 5: Solve for x
    x = 22,693,449.24/4,879.20
  6. Step 6: Final answer
    x = 4,651.06

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1.5x scale

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.