Home / 4,976.31-6,859.95-3,183.60

Finding the Fourth Proportional to 4,976.31, 6,859.95 and 3,183.60

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Solution

The fourth proportional to 4,976.31, 6,859.95 and 3,183.60 is: 4,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.31 : 6,859.95 = 3,183.60 : x
  2. Step 2: Convert to fraction form
    4,976.31/6,859.95 = 3,183.60/x
  3. Step 3: Cross multiply
    4,976.31x = 6,859.95 × 3,183.60
  4. Step 4: Simplify right side
    4,976.31x = 21,839,336.82
  5. Step 5: Solve for x
    x = 21,839,336.82/4,976.31
  6. Step 6: Final answer
    x = 4,388.66

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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.