Home / 7,628.96-11,433.72-3,245.24

Finding the Fourth Proportional to 7,628.96, 11,433.72 and 3,245.24

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Solution

The fourth proportional to 7,628.96, 11,433.72 and 3,245.24 is: 4,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.96 : 11,433.72 = 3,245.24 : x
  2. Step 2: Convert to fraction form
    7,628.96/11,433.72 = 3,245.24/x
  3. Step 3: Cross multiply
    7,628.96x = 11,433.72 × 3,245.24
  4. Step 4: Simplify right side
    7,628.96x = 37,105,165.49
  5. Step 5: Solve for x
    x = 37,105,165.49/7,628.96
  6. Step 6: Final answer
    x = 4,863.73

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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.