Home / 4,478.84-6,183.38-2,991.68

Finding the Fourth Proportional to 4,478.84, 6,183.38 and 2,991.68

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Solution

The fourth proportional to 4,478.84, 6,183.38 and 2,991.68 is: 4,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.84 : 6,183.38 = 2,991.68 : x
  2. Step 2: Convert to fraction form
    4,478.84/6,183.38 = 2,991.68/x
  3. Step 3: Cross multiply
    4,478.84x = 6,183.38 × 2,991.68
  4. Step 4: Simplify right side
    4,478.84x = 18,498,694.28
  5. Step 5: Solve for x
    x = 18,498,694.28/4,478.84
  6. Step 6: Final answer
    x = 4,130.24

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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.