Home / 6,425.40-9,633.96-2,679.75

Finding the Fourth Proportional to 6,425.40, 9,633.96 and 2,679.75

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Solution

The fourth proportional to 6,425.40, 9,633.96 and 2,679.75 is: 4,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.40 : 9,633.96 = 2,679.75 : x
  2. Step 2: Convert to fraction form
    6,425.40/9,633.96 = 2,679.75/x
  3. Step 3: Cross multiply
    6,425.40x = 9,633.96 × 2,679.75
  4. Step 4: Simplify right side
    6,425.40x = 25,816,604.31
  5. Step 5: Solve for x
    x = 25,816,604.31/6,425.40
  6. Step 6: Final answer
    x = 4,017.90

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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.