Home / 6,740.09-10,103.20-2,578.97

Finding the Fourth Proportional to 6,740.09, 10,103.20 and 2,578.97

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Solution

The fourth proportional to 6,740.09, 10,103.20 and 2,578.97 is: 3,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.09 : 10,103.20 = 2,578.97 : x
  2. Step 2: Convert to fraction form
    6,740.09/10,103.20 = 2,578.97/x
  3. Step 3: Cross multiply
    6,740.09x = 10,103.20 × 2,578.97
  4. Step 4: Simplify right side
    6,740.09x = 26,055,868.51
  5. Step 5: Solve for x
    x = 26,055,868.51/6,740.09
  6. Step 6: Final answer
    x = 3,865.80

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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.