Home / 7,674.14-11,511.86-2,127.48

Finding the Fourth Proportional to 7,674.14, 11,511.86 and 2,127.48

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Solution

The fourth proportional to 7,674.14, 11,511.86 and 2,127.48 is: 3,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.14 : 11,511.86 = 2,127.48 : x
  2. Step 2: Convert to fraction form
    7,674.14/11,511.86 = 2,127.48/x
  3. Step 3: Cross multiply
    7,674.14x = 11,511.86 × 2,127.48
  4. Step 4: Simplify right side
    7,674.14x = 24,491,251.91
  5. Step 5: Solve for x
    x = 24,491,251.91/7,674.14
  6. Step 6: Final answer
    x = 3,191.40

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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.