Home / 7,984.74-11,977.17-2,438.94

Finding the Fourth Proportional to 7,984.74, 11,977.17 and 2,438.94

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Solution

The fourth proportional to 7,984.74, 11,977.17 and 2,438.94 is: 3,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.74 : 11,977.17 = 2,438.94 : x
  2. Step 2: Convert to fraction form
    7,984.74/11,977.17 = 2,438.94/x
  3. Step 3: Cross multiply
    7,984.74x = 11,977.17 × 2,438.94
  4. Step 4: Simplify right side
    7,984.74x = 29,211,599.00
  5. Step 5: Solve for x
    x = 29,211,599.00/7,984.74
  6. Step 6: Final answer
    x = 3,658.43

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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.