Home / 4,451.85-6,679.46-1,679.22

Finding the Fourth Proportional to 4,451.85, 6,679.46 and 1,679.22

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Solution

The fourth proportional to 4,451.85, 6,679.46 and 1,679.22 is: 2,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.85 : 6,679.46 = 1,679.22 : x
  2. Step 2: Convert to fraction form
    4,451.85/6,679.46 = 1,679.22/x
  3. Step 3: Cross multiply
    4,451.85x = 6,679.46 × 1,679.22
  4. Step 4: Simplify right side
    4,451.85x = 11,216,287.02
  5. Step 5: Solve for x
    x = 11,216,287.02/4,451.85
  6. Step 6: Final answer
    x = 2,519.47

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1.5x scale

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.