Home / 7,469.88-11,211.74-3,774.70

Finding the Fourth Proportional to 7,469.88, 11,211.74 and 3,774.70

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Solution

The fourth proportional to 7,469.88, 11,211.74 and 3,774.70 is: 5,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.88 : 11,211.74 = 3,774.70 : x
  2. Step 2: Convert to fraction form
    7,469.88/11,211.74 = 3,774.70/x
  3. Step 3: Cross multiply
    7,469.88x = 11,211.74 × 3,774.70
  4. Step 4: Simplify right side
    7,469.88x = 42,320,954.98
  5. Step 5: Solve for x
    x = 42,320,954.98/7,469.88
  6. Step 6: Final answer
    x = 5,665.55

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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.