Home / 7,983.50-11,977.18-2,511.50

Finding the Fourth Proportional to 7,983.50, 11,977.18 and 2,511.50

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Solution

The fourth proportional to 7,983.50, 11,977.18 and 2,511.50 is: 3,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.50 : 11,977.18 = 2,511.50 : x
  2. Step 2: Convert to fraction form
    7,983.50/11,977.18 = 2,511.50/x
  3. Step 3: Cross multiply
    7,983.50x = 11,977.18 × 2,511.50
  4. Step 4: Simplify right side
    7,983.50x = 30,080,687.57
  5. Step 5: Solve for x
    x = 30,080,687.57/7,983.50
  6. Step 6: Final answer
    x = 3,767.86

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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.