Home / 4,451.88-6,679.35-1,679.34

Finding the Fourth Proportional to 4,451.88, 6,679.35 and 1,679.34

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Solution

The fourth proportional to 4,451.88, 6,679.35 and 1,679.34 is: 2,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.88 : 6,679.35 = 1,679.34 : x
  2. Step 2: Convert to fraction form
    4,451.88/6,679.35 = 1,679.34/x
  3. Step 3: Cross multiply
    4,451.88x = 6,679.35 × 1,679.34
  4. Step 4: Simplify right side
    4,451.88x = 11,216,928.87
  5. Step 5: Solve for x
    x = 11,216,928.87/4,451.88
  6. Step 6: Final answer
    x = 2,519.60

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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.