Home / 7,984.88-11,966.16-3,600.80

Finding the Fourth Proportional to 7,984.88, 11,966.16 and 3,600.80

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Solution

The fourth proportional to 7,984.88, 11,966.16 and 3,600.80 is: 5,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.88 : 11,966.16 = 3,600.80 : x
  2. Step 2: Convert to fraction form
    7,984.88/11,966.16 = 3,600.80/x
  3. Step 3: Cross multiply
    7,984.88x = 11,966.16 × 3,600.80
  4. Step 4: Simplify right side
    7,984.88x = 43,087,748.93
  5. Step 5: Solve for x
    x = 43,087,748.93/7,984.88
  6. Step 6: Final answer
    x = 5,396.17

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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.