Home / 4,456.11-6,679.76-2,112

Finding the Fourth Proportional to 4,456.11, 6,679.76 and 2,112

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Solution

The fourth proportional to 4,456.11, 6,679.76 and 2,112 is: 3,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.11 : 6,679.76 = 2,112 : x
  2. Step 2: Convert to fraction form
    4,456.11/6,679.76 = 2,112/x
  3. Step 3: Cross multiply
    4,456.11x = 6,679.76 × 2,112
  4. Step 4: Simplify right side
    4,456.11x = 14,107,653.12
  5. Step 5: Solve for x
    x = 14,107,653.12/4,456.11
  6. Step 6: Final answer
    x = 3,165.91

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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.