Home / 4,690.56-7,020.72-3,228.96

Finding the Fourth Proportional to 4,690.56, 7,020.72 and 3,228.96

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Solution

The fourth proportional to 4,690.56, 7,020.72 and 3,228.96 is: 4,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.56 : 7,020.72 = 3,228.96 : x
  2. Step 2: Convert to fraction form
    4,690.56/7,020.72 = 3,228.96/x
  3. Step 3: Cross multiply
    4,690.56x = 7,020.72 × 3,228.96
  4. Step 4: Simplify right side
    4,690.56x = 22,669,624.05
  5. Step 5: Solve for x
    x = 22,669,624.05/4,690.56
  6. Step 6: Final answer
    x = 4,833.03

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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.