Home / 4,451.56-6,678.89-1,679.03

Finding the Fourth Proportional to 4,451.56, 6,678.89 and 1,679.03

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Solution

The fourth proportional to 4,451.56, 6,678.89 and 1,679.03 is: 2,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.56 : 6,678.89 = 1,679.03 : x
  2. Step 2: Convert to fraction form
    4,451.56/6,678.89 = 1,679.03/x
  3. Step 3: Cross multiply
    4,451.56x = 6,678.89 × 1,679.03
  4. Step 4: Simplify right side
    4,451.56x = 11,214,014.89
  5. Step 5: Solve for x
    x = 11,214,014.89/4,451.56
  6. Step 6: Final answer
    x = 2,519.12

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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.