Home / 7,633.79-11,450.90-2,439.66

Finding the Fourth Proportional to 7,633.79, 11,450.90 and 2,439.66

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Solution

The fourth proportional to 7,633.79, 11,450.90 and 2,439.66 is: 3,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.79 : 11,450.90 = 2,439.66 : x
  2. Step 2: Convert to fraction form
    7,633.79/11,450.90 = 2,439.66/x
  3. Step 3: Cross multiply
    7,633.79x = 11,450.90 × 2,439.66
  4. Step 4: Simplify right side
    7,633.79x = 27,936,290.50
  5. Step 5: Solve for x
    x = 27,936,290.50/7,633.79
  6. Step 6: Final answer
    x = 3,659.56

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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.