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Finding the Fourth Proportional to 8,682.80, 13,014.84 and 3,754.76

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Solution

The fourth proportional to 8,682.80, 13,014.84 and 3,754.76 is: 5,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.80 : 13,014.84 = 3,754.76 : x
  2. Step 2: Convert to fraction form
    8,682.80/13,014.84 = 3,754.76/x
  3. Step 3: Cross multiply
    8,682.80x = 13,014.84 × 3,754.76
  4. Step 4: Simplify right side
    8,682.80x = 48,867,600.64
  5. Step 5: Solve for x
    x = 48,867,600.64/8,682.80
  6. Step 6: Final answer
    x = 5,628.09

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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.