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Finding the Fourth Proportional to 6,480.99, 8,945.96 and 4,494.18

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Solution

The fourth proportional to 6,480.99, 8,945.96 and 4,494.18 is: 6,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.99 : 8,945.96 = 4,494.18 : x
  2. Step 2: Convert to fraction form
    6,480.99/8,945.96 = 4,494.18/x
  3. Step 3: Cross multiply
    6,480.99x = 8,945.96 × 4,494.18
  4. Step 4: Simplify right side
    6,480.99x = 40,204,732.04
  5. Step 5: Solve for x
    x = 40,204,732.04/6,480.99
  6. Step 6: Final answer
    x = 6,203.49

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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.