Home / 7,760.42-11,642.46-2,213.84

Finding the Fourth Proportional to 7,760.42, 11,642.46 and 2,213.84

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Solution

The fourth proportional to 7,760.42, 11,642.46 and 2,213.84 is: 3,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.42 : 11,642.46 = 2,213.84 : x
  2. Step 2: Convert to fraction form
    7,760.42/11,642.46 = 2,213.84/x
  3. Step 3: Cross multiply
    7,760.42x = 11,642.46 × 2,213.84
  4. Step 4: Simplify right side
    7,760.42x = 25,774,543.65
  5. Step 5: Solve for x
    x = 25,774,543.65/7,760.42
  6. Step 6: Final answer
    x = 3,321.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.