Home / 7,469.42-11,204.13-2,789.80

Finding the Fourth Proportional to 7,469.42, 11,204.13 and 2,789.80

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Solution

The fourth proportional to 7,469.42, 11,204.13 and 2,789.80 is: 4,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.42 : 11,204.13 = 2,789.80 : x
  2. Step 2: Convert to fraction form
    7,469.42/11,204.13 = 2,789.80/x
  3. Step 3: Cross multiply
    7,469.42x = 11,204.13 × 2,789.80
  4. Step 4: Simplify right side
    7,469.42x = 31,257,225.85
  5. Step 5: Solve for x
    x = 31,257,225.85/7,469.42
  6. Step 6: Final answer
    x = 4,184.69

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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.