Home / 4,949.28-6,829.20-3,180.24

Finding the Fourth Proportional to 4,949.28, 6,829.20 and 3,180.24

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Solution

The fourth proportional to 4,949.28, 6,829.20 and 3,180.24 is: 4,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.28 : 6,829.20 = 3,180.24 : x
  2. Step 2: Convert to fraction form
    4,949.28/6,829.20 = 3,180.24/x
  3. Step 3: Cross multiply
    4,949.28x = 6,829.20 × 3,180.24
  4. Step 4: Simplify right side
    4,949.28x = 21,718,495.01
  5. Step 5: Solve for x
    x = 21,718,495.01/4,949.28
  6. Step 6: Final answer
    x = 4,388.21

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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.