Home / 8,136.82-12,205.22-2,292.67

Finding the Fourth Proportional to 8,136.82, 12,205.22 and 2,292.67

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Solution

The fourth proportional to 8,136.82, 12,205.22 and 2,292.67 is: 3,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.82 : 12,205.22 = 2,292.67 : x
  2. Step 2: Convert to fraction form
    8,136.82/12,205.22 = 2,292.67/x
  3. Step 3: Cross multiply
    8,136.82x = 12,205.22 × 2,292.67
  4. Step 4: Simplify right side
    8,136.82x = 27,982,541.74
  5. Step 5: Solve for x
    x = 27,982,541.74/8,136.82
  6. Step 6: Final answer
    x = 3,439.00

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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.