Home / 7,687.74-11,531.61-2,494.02

Finding the Fourth Proportional to 7,687.74, 11,531.61 and 2,494.02

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Solution

The fourth proportional to 7,687.74, 11,531.61 and 2,494.02 is: 3,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.74 : 11,531.61 = 2,494.02 : x
  2. Step 2: Convert to fraction form
    7,687.74/11,531.61 = 2,494.02/x
  3. Step 3: Cross multiply
    7,687.74x = 11,531.61 × 2,494.02
  4. Step 4: Simplify right side
    7,687.74x = 28,760,065.97
  5. Step 5: Solve for x
    x = 28,760,065.97/7,687.74
  6. Step 6: Final answer
    x = 3,741.03

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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.