Home / 8,309.94-12,467.26-3,383.11

Finding the Fourth Proportional to 8,309.94, 12,467.26 and 3,383.11

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Solution

The fourth proportional to 8,309.94, 12,467.26 and 3,383.11 is: 5,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.94 : 12,467.26 = 3,383.11 : x
  2. Step 2: Convert to fraction form
    8,309.94/12,467.26 = 3,383.11/x
  3. Step 3: Cross multiply
    8,309.94x = 12,467.26 × 3,383.11
  4. Step 4: Simplify right side
    8,309.94x = 42,178,111.98
  5. Step 5: Solve for x
    x = 42,178,111.98/8,309.94
  6. Step 6: Final answer
    x = 5,075.62

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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.