Home / 4,450.29-6,675.40-3,128.59

Finding the Fourth Proportional to 4,450.29, 6,675.40 and 3,128.59

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Solution

The fourth proportional to 4,450.29, 6,675.40 and 3,128.59 is: 4,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.29 : 6,675.40 = 3,128.59 : x
  2. Step 2: Convert to fraction form
    4,450.29/6,675.40 = 3,128.59/x
  3. Step 3: Cross multiply
    4,450.29x = 6,675.40 × 3,128.59
  4. Step 4: Simplify right side
    4,450.29x = 20,884,589.69
  5. Step 5: Solve for x
    x = 20,884,589.69/4,450.29
  6. Step 6: Final answer
    x = 4,692.86

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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.