Home / 8,451.21-12,676.98-2,607.82

Finding the Fourth Proportional to 8,451.21, 12,676.98 and 2,607.82

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Solution

The fourth proportional to 8,451.21, 12,676.98 and 2,607.82 is: 3,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.21 : 12,676.98 = 2,607.82 : x
  2. Step 2: Convert to fraction form
    8,451.21/12,676.98 = 2,607.82/x
  3. Step 3: Cross multiply
    8,451.21x = 12,676.98 × 2,607.82
  4. Step 4: Simplify right side
    8,451.21x = 33,059,281.98
  5. Step 5: Solve for x
    x = 33,059,281.98/8,451.21
  6. Step 6: Final answer
    x = 3,911.78

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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.