Home / 8,167.20-12,228.72-4,263.36

Finding the Fourth Proportional to 8,167.20, 12,228.72 and 4,263.36

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Solution

The fourth proportional to 8,167.20, 12,228.72 and 4,263.36 is: 6,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.20 : 12,228.72 = 4,263.36 : x
  2. Step 2: Convert to fraction form
    8,167.20/12,228.72 = 4,263.36/x
  3. Step 3: Cross multiply
    8,167.20x = 12,228.72 × 4,263.36
  4. Step 4: Simplify right side
    8,167.20x = 52,135,435.70
  5. Step 5: Solve for x
    x = 52,135,435.70/8,167.20
  6. Step 6: Final answer
    x = 6,383.51

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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.