Home / 8,958.60-13,426.83-3,108.38

Finding the Fourth Proportional to 8,958.60, 13,426.83 and 3,108.38

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Solution

The fourth proportional to 8,958.60, 13,426.83 and 3,108.38 is: 4,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.60 : 13,426.83 = 3,108.38 : x
  2. Step 2: Convert to fraction form
    8,958.60/13,426.83 = 3,108.38/x
  3. Step 3: Cross multiply
    8,958.60x = 13,426.83 × 3,108.38
  4. Step 4: Simplify right side
    8,958.60x = 41,735,622.70
  5. Step 5: Solve for x
    x = 41,735,622.70/8,958.60
  6. Step 6: Final answer
    x = 4,658.72

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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.