Home / 8,107.41-12,164.30-3,176.21

Finding the Fourth Proportional to 8,107.41, 12,164.30 and 3,176.21

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Solution

The fourth proportional to 8,107.41, 12,164.30 and 3,176.21 is: 4,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.41 : 12,164.30 = 3,176.21 : x
  2. Step 2: Convert to fraction form
    8,107.41/12,164.30 = 3,176.21/x
  3. Step 3: Cross multiply
    8,107.41x = 12,164.30 × 3,176.21
  4. Step 4: Simplify right side
    8,107.41x = 38,636,294.60
  5. Step 5: Solve for x
    x = 38,636,294.60/8,107.41
  6. Step 6: Final answer
    x = 4,765.55

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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.