Home / 8,440.12-12,660.21-2,596.69

Finding the Fourth Proportional to 8,440.12, 12,660.21 and 2,596.69

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Solution

The fourth proportional to 8,440.12, 12,660.21 and 2,596.69 is: 3,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.12 : 12,660.21 = 2,596.69 : x
  2. Step 2: Convert to fraction form
    8,440.12/12,660.21 = 2,596.69/x
  3. Step 3: Cross multiply
    8,440.12x = 12,660.21 × 2,596.69
  4. Step 4: Simplify right side
    8,440.12x = 32,874,640.70
  5. Step 5: Solve for x
    x = 32,874,640.70/8,440.12
  6. Step 6: Final answer
    x = 3,895.04

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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.