Home / 8,449.05-12,676.58-3,768.64

Finding the Fourth Proportional to 8,449.05, 12,676.58 and 3,768.64

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Solution

The fourth proportional to 8,449.05, 12,676.58 and 3,768.64 is: 5,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.05 : 12,676.58 = 3,768.64 : x
  2. Step 2: Convert to fraction form
    8,449.05/12,676.58 = 3,768.64/x
  3. Step 3: Cross multiply
    8,449.05x = 12,676.58 × 3,768.64
  4. Step 4: Simplify right side
    8,449.05x = 47,773,451.25
  5. Step 5: Solve for x
    x = 47,773,451.25/8,449.05
  6. Step 6: Final answer
    x = 5,654.30

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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.