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Finding the Fourth Proportional to 8,480.52, 12,713.22 and 3,285.18

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Solution

The fourth proportional to 8,480.52, 12,713.22 and 3,285.18 is: 4,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.52 : 12,713.22 = 3,285.18 : x
  2. Step 2: Convert to fraction form
    8,480.52/12,713.22 = 3,285.18/x
  3. Step 3: Cross multiply
    8,480.52x = 12,713.22 × 3,285.18
  4. Step 4: Simplify right side
    8,480.52x = 41,765,216.08
  5. Step 5: Solve for x
    x = 41,765,216.08/8,480.52
  6. Step 6: Final answer
    x = 4,924.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.