Home / 5,053.05-7,578.63-2,133.41

Finding the Fourth Proportional to 5,053.05, 7,578.63 and 2,133.41

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Solution

The fourth proportional to 5,053.05, 7,578.63 and 2,133.41 is: 3,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.05 : 7,578.63 = 2,133.41 : x
  2. Step 2: Convert to fraction form
    5,053.05/7,578.63 = 2,133.41/x
  3. Step 3: Cross multiply
    5,053.05x = 7,578.63 × 2,133.41
  4. Step 4: Simplify right side
    5,053.05x = 16,168,287.14
  5. Step 5: Solve for x
    x = 16,168,287.14/5,053.05
  6. Step 6: Final answer
    x = 3,199.71

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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.