Home / 4,455.14-6,678.30-2,111

Finding the Fourth Proportional to 4,455.14, 6,678.30 and 2,111

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Solution

The fourth proportional to 4,455.14, 6,678.30 and 2,111 is: 3,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.14 : 6,678.30 = 2,111 : x
  2. Step 2: Convert to fraction form
    4,455.14/6,678.30 = 2,111/x
  3. Step 3: Cross multiply
    4,455.14x = 6,678.30 × 2,111
  4. Step 4: Simplify right side
    4,455.14x = 14,097,891.30
  5. Step 5: Solve for x
    x = 14,097,891.30/4,455.14
  6. Step 6: Final answer
    x = 3,164.41

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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.