Home / 8,463.44-12,694.82-2,620.01

Finding the Fourth Proportional to 8,463.44, 12,694.82 and 2,620.01

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Solution

The fourth proportional to 8,463.44, 12,694.82 and 2,620.01 is: 3,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.44 : 12,694.82 = 2,620.01 : x
  2. Step 2: Convert to fraction form
    8,463.44/12,694.82 = 2,620.01/x
  3. Step 3: Cross multiply
    8,463.44x = 12,694.82 × 2,620.01
  4. Step 4: Simplify right side
    8,463.44x = 33,260,478.77
  5. Step 5: Solve for x
    x = 33,260,478.77/8,463.44
  6. Step 6: Final answer
    x = 3,929.90

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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.