Home / 7,021.35-10,532.97-2,578.41

Finding the Fourth Proportional to 7,021.35, 10,532.97 and 2,578.41

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Solution

The fourth proportional to 7,021.35, 10,532.97 and 2,578.41 is: 3,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.35 : 10,532.97 = 2,578.41 : x
  2. Step 2: Convert to fraction form
    7,021.35/10,532.97 = 2,578.41/x
  3. Step 3: Cross multiply
    7,021.35x = 10,532.97 × 2,578.41
  4. Step 4: Simplify right side
    7,021.35x = 27,158,315.18
  5. Step 5: Solve for x
    x = 27,158,315.18/7,021.35
  6. Step 6: Final answer
    x = 3,867.96

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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.