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Finding the Fourth Proportional to 8,832.80, 13,250.40 and 3,284.80

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Solution

The fourth proportional to 8,832.80, 13,250.40 and 3,284.80 is: 4,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.80 : 13,250.40 = 3,284.80 : x
  2. Step 2: Convert to fraction form
    8,832.80/13,250.40 = 3,284.80/x
  3. Step 3: Cross multiply
    8,832.80x = 13,250.40 × 3,284.80
  4. Step 4: Simplify right side
    8,832.80x = 43,524,913.92
  5. Step 5: Solve for x
    x = 43,524,913.92/8,832.80
  6. Step 6: Final answer
    x = 4,927.65

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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.