Home / 8,834.20-13,251.30-3,898.60

Finding the Fourth Proportional to 8,834.20, 13,251.30 and 3,898.60

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Solution

The fourth proportional to 8,834.20, 13,251.30 and 3,898.60 is: 5,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.20 : 13,251.30 = 3,898.60 : x
  2. Step 2: Convert to fraction form
    8,834.20/13,251.30 = 3,898.60/x
  3. Step 3: Cross multiply
    8,834.20x = 13,251.30 × 3,898.60
  4. Step 4: Simplify right side
    8,834.20x = 51,661,518.18
  5. Step 5: Solve for x
    x = 51,661,518.18/8,834.20
  6. Step 6: Final answer
    x = 5,847.90

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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.