Home / 8,451.44-12,676.08-3,520.16

Finding the Fourth Proportional to 8,451.44, 12,676.08 and 3,520.16

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Solution

The fourth proportional to 8,451.44, 12,676.08 and 3,520.16 is: 5,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.44 : 12,676.08 = 3,520.16 : x
  2. Step 2: Convert to fraction form
    8,451.44/12,676.08 = 3,520.16/x
  3. Step 3: Cross multiply
    8,451.44x = 12,676.08 × 3,520.16
  4. Step 4: Simplify right side
    8,451.44x = 44,621,829.77
  5. Step 5: Solve for x
    x = 44,621,829.77/8,451.44
  6. Step 6: Final answer
    x = 5,279.79

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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.