Home / 4,781.88-7,161.30-2,829.24

Finding the Fourth Proportional to 4,781.88, 7,161.30 and 2,829.24

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Solution

The fourth proportional to 4,781.88, 7,161.30 and 2,829.24 is: 4,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.88 : 7,161.30 = 2,829.24 : x
  2. Step 2: Convert to fraction form
    4,781.88/7,161.30 = 2,829.24/x
  3. Step 3: Cross multiply
    4,781.88x = 7,161.30 × 2,829.24
  4. Step 4: Simplify right side
    4,781.88x = 20,261,036.41
  5. Step 5: Solve for x
    x = 20,261,036.41/4,781.88
  6. Step 6: Final answer
    x = 4,237.04

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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.