Home / 5,330.31-7,992.04-2,212.47

Finding the Fourth Proportional to 5,330.31, 7,992.04 and 2,212.47

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Solution

The fourth proportional to 5,330.31, 7,992.04 and 2,212.47 is: 3,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.31 : 7,992.04 = 2,212.47 : x
  2. Step 2: Convert to fraction form
    5,330.31/7,992.04 = 2,212.47/x
  3. Step 3: Cross multiply
    5,330.31x = 7,992.04 × 2,212.47
  4. Step 4: Simplify right side
    5,330.31x = 17,682,108.78
  5. Step 5: Solve for x
    x = 17,682,108.78/5,330.31
  6. Step 6: Final answer
    x = 3,317.28

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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.