Home / 8,289.82-12,436.59-4,396.96

Finding the Fourth Proportional to 8,289.82, 12,436.59 and 4,396.96

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Solution

The fourth proportional to 8,289.82, 12,436.59 and 4,396.96 is: 6,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.82 : 12,436.59 = 4,396.96 : x
  2. Step 2: Convert to fraction form
    8,289.82/12,436.59 = 4,396.96/x
  3. Step 3: Cross multiply
    8,289.82x = 12,436.59 × 4,396.96
  4. Step 4: Simplify right side
    8,289.82x = 54,683,188.77
  5. Step 5: Solve for x
    x = 54,683,188.77/8,289.82
  6. Step 6: Final answer
    x = 6,596.43

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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.