Home / 6,481.20-8,943.48-3,828.60

Finding the Fourth Proportional to 6,481.20, 8,943.48 and 3,828.60

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Solution

The fourth proportional to 6,481.20, 8,943.48 and 3,828.60 is: 5,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.20 : 8,943.48 = 3,828.60 : x
  2. Step 2: Convert to fraction form
    6,481.20/8,943.48 = 3,828.60/x
  3. Step 3: Cross multiply
    6,481.20x = 8,943.48 × 3,828.60
  4. Step 4: Simplify right side
    6,481.20x = 34,241,007.53
  5. Step 5: Solve for x
    x = 34,241,007.53/6,481.20
  6. Step 6: Final answer
    x = 5,283.13

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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.