Home / 5,829.74-8,740.76-2,131.28

Finding the Fourth Proportional to 5,829.74, 8,740.76 and 2,131.28

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Solution

The fourth proportional to 5,829.74, 8,740.76 and 2,131.28 is: 3,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.74 : 8,740.76 = 2,131.28 : x
  2. Step 2: Convert to fraction form
    5,829.74/8,740.76 = 2,131.28/x
  3. Step 3: Cross multiply
    5,829.74x = 8,740.76 × 2,131.28
  4. Step 4: Simplify right side
    5,829.74x = 18,629,006.97
  5. Step 5: Solve for x
    x = 18,629,006.97/5,829.74
  6. Step 6: Final answer
    x = 3,195.51

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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.