Home / 8,469.90-12,704.85-3,536.85

Finding the Fourth Proportional to 8,469.90, 12,704.85 and 3,536.85

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Solution

The fourth proportional to 8,469.90, 12,704.85 and 3,536.85 is: 5,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.90 : 12,704.85 = 3,536.85 : x
  2. Step 2: Convert to fraction form
    8,469.90/12,704.85 = 3,536.85/x
  3. Step 3: Cross multiply
    8,469.90x = 12,704.85 × 3,536.85
  4. Step 4: Simplify right side
    8,469.90x = 44,935,085.20
  5. Step 5: Solve for x
    x = 44,935,085.20/8,469.90
  6. Step 6: Final answer
    x = 5,305.27

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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.