Home / 7,542.46-11,315.21-2,611.99

Finding the Fourth Proportional to 7,542.46, 11,315.21 and 2,611.99

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Solution

The fourth proportional to 7,542.46, 11,315.21 and 2,611.99 is: 3,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.46 : 11,315.21 = 2,611.99 : x
  2. Step 2: Convert to fraction form
    7,542.46/11,315.21 = 2,611.99/x
  3. Step 3: Cross multiply
    7,542.46x = 11,315.21 × 2,611.99
  4. Step 4: Simplify right side
    7,542.46x = 29,555,174.02
  5. Step 5: Solve for x
    x = 29,555,174.02/7,542.46
  6. Step 6: Final answer
    x = 3,918.51

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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.