Home / 8,147.22-12,219.27-2,302.42

Finding the Fourth Proportional to 8,147.22, 12,219.27 and 2,302.42

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Solution

The fourth proportional to 8,147.22, 12,219.27 and 2,302.42 is: 3,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.22 : 12,219.27 = 2,302.42 : x
  2. Step 2: Convert to fraction form
    8,147.22/12,219.27 = 2,302.42/x
  3. Step 3: Cross multiply
    8,147.22x = 12,219.27 × 2,302.42
  4. Step 4: Simplify right side
    8,147.22x = 28,133,891.63
  5. Step 5: Solve for x
    x = 28,133,891.63/8,147.22
  6. Step 6: Final answer
    x = 3,453.19

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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.