Home / 8,729.25-13,089.42-2,883.75

Finding the Fourth Proportional to 8,729.25, 13,089.42 and 2,883.75

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Solution

The fourth proportional to 8,729.25, 13,089.42 and 2,883.75 is: 4,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.25 : 13,089.42 = 2,883.75 : x
  2. Step 2: Convert to fraction form
    8,729.25/13,089.42 = 2,883.75/x
  3. Step 3: Cross multiply
    8,729.25x = 13,089.42 × 2,883.75
  4. Step 4: Simplify right side
    8,729.25x = 37,746,614.93
  5. Step 5: Solve for x
    x = 37,746,614.93/8,729.25
  6. Step 6: Final answer
    x = 4,324.15

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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.