Home / 5,421.27-7,481.31-3,031.24

Finding the Fourth Proportional to 5,421.27, 7,481.31 and 3,031.24

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Solution

The fourth proportional to 5,421.27, 7,481.31 and 3,031.24 is: 4,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.27 : 7,481.31 = 3,031.24 : x
  2. Step 2: Convert to fraction form
    5,421.27/7,481.31 = 3,031.24/x
  3. Step 3: Cross multiply
    5,421.27x = 7,481.31 × 3,031.24
  4. Step 4: Simplify right side
    5,421.27x = 22,677,616.30
  5. Step 5: Solve for x
    x = 22,677,616.30/5,421.27
  6. Step 6: Final answer
    x = 4,183.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.