Home / 5,193.05-7,791.06-2,421.36

Finding the Fourth Proportional to 5,193.05, 7,791.06 and 2,421.36

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Solution

The fourth proportional to 5,193.05, 7,791.06 and 2,421.36 is: 3,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.05 : 7,791.06 = 2,421.36 : x
  2. Step 2: Convert to fraction form
    5,193.05/7,791.06 = 2,421.36/x
  3. Step 3: Cross multiply
    5,193.05x = 7,791.06 × 2,421.36
  4. Step 4: Simplify right side
    5,193.05x = 18,864,961.04
  5. Step 5: Solve for x
    x = 18,864,961.04/5,193.05
  6. Step 6: Final answer
    x = 3,632.74

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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.