Home / 4,781.25-7,163.46-2,929.59

Finding the Fourth Proportional to 4,781.25, 7,163.46 and 2,929.59

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Solution

The fourth proportional to 4,781.25, 7,163.46 and 2,929.59 is: 4,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.25 : 7,163.46 = 2,929.59 : x
  2. Step 2: Convert to fraction form
    4,781.25/7,163.46 = 2,929.59/x
  3. Step 3: Cross multiply
    4,781.25x = 7,163.46 × 2,929.59
  4. Step 4: Simplify right side
    4,781.25x = 20,986,000.78
  5. Step 5: Solve for x
    x = 20,986,000.78/4,781.25
  6. Step 6: Final answer
    x = 4,389.23

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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.