Home / 8,321.03-12,474.24-3,394.82

Finding the Fourth Proportional to 8,321.03, 12,474.24 and 3,394.82

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Solution

The fourth proportional to 8,321.03, 12,474.24 and 3,394.82 is: 5,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.03 : 12,474.24 = 3,394.82 : x
  2. Step 2: Convert to fraction form
    8,321.03/12,474.24 = 3,394.82/x
  3. Step 3: Cross multiply
    8,321.03x = 12,474.24 × 3,394.82
  4. Step 4: Simplify right side
    8,321.03x = 42,347,799.44
  5. Step 5: Solve for x
    x = 42,347,799.44/8,321.03
  6. Step 6: Final answer
    x = 5,089.25

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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.