Home / 7,988.41-11,984.24-2,797.93

Finding the Fourth Proportional to 7,988.41, 11,984.24 and 2,797.93

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Solution

The fourth proportional to 7,988.41, 11,984.24 and 2,797.93 is: 4,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.41 : 11,984.24 = 2,797.93 : x
  2. Step 2: Convert to fraction form
    7,988.41/11,984.24 = 2,797.93/x
  3. Step 3: Cross multiply
    7,988.41x = 11,984.24 × 2,797.93
  4. Step 4: Simplify right side
    7,988.41x = 33,531,064.62
  5. Step 5: Solve for x
    x = 33,531,064.62/7,988.41
  6. Step 6: Final answer
    x = 4,197.46

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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.