Home / 7,729.68-11,584.44-3,110.16

Finding the Fourth Proportional to 7,729.68, 11,584.44 and 3,110.16

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Solution

The fourth proportional to 7,729.68, 11,584.44 and 3,110.16 is: 4,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.68 : 11,584.44 = 3,110.16 : x
  2. Step 2: Convert to fraction form
    7,729.68/11,584.44 = 3,110.16/x
  3. Step 3: Cross multiply
    7,729.68x = 11,584.44 × 3,110.16
  4. Step 4: Simplify right side
    7,729.68x = 36,029,461.91
  5. Step 5: Solve for x
    x = 36,029,461.91/7,729.68
  6. Step 6: Final answer
    x = 4,661.18

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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.