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Finding the Fourth Proportional to 6,480.96, 8,945.04 and 3,828.24

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Solution

The fourth proportional to 6,480.96, 8,945.04 and 3,828.24 is: 5,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.96 : 8,945.04 = 3,828.24 : x
  2. Step 2: Convert to fraction form
    6,480.96/8,945.04 = 3,828.24/x
  3. Step 3: Cross multiply
    6,480.96x = 8,945.04 × 3,828.24
  4. Step 4: Simplify right side
    6,480.96x = 34,243,759.93
  5. Step 5: Solve for x
    x = 34,243,759.93/6,480.96
  6. Step 6: Final answer
    x = 5,283.75

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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.