Home / 5,213.09-7,821.47-3,465.03

Finding the Fourth Proportional to 5,213.09, 7,821.47 and 3,465.03

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Solution

The fourth proportional to 5,213.09, 7,821.47 and 3,465.03 is: 5,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.09 : 7,821.47 = 3,465.03 : x
  2. Step 2: Convert to fraction form
    5,213.09/7,821.47 = 3,465.03/x
  3. Step 3: Cross multiply
    5,213.09x = 7,821.47 × 3,465.03
  4. Step 4: Simplify right side
    5,213.09x = 27,101,610.87
  5. Step 5: Solve for x
    x = 27,101,610.87/5,213.09
  6. Step 6: Final answer
    x = 5,198.77

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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.