Home / 4,965.99-7,450.70-3,306.78

Finding the Fourth Proportional to 4,965.99, 7,450.70 and 3,306.78

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Solution

The fourth proportional to 4,965.99, 7,450.70 and 3,306.78 is: 4,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.99 : 7,450.70 = 3,306.78 : x
  2. Step 2: Convert to fraction form
    4,965.99/7,450.70 = 3,306.78/x
  3. Step 3: Cross multiply
    4,965.99x = 7,450.70 × 3,306.78
  4. Step 4: Simplify right side
    4,965.99x = 24,637,825.75
  5. Step 5: Solve for x
    x = 24,637,825.75/4,965.99
  6. Step 6: Final answer
    x = 4,961.31

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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.