Home / 5,537.21-7,638.64-3,298.37

Finding the Fourth Proportional to 5,537.21, 7,638.64 and 3,298.37

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Solution

The fourth proportional to 5,537.21, 7,638.64 and 3,298.37 is: 4,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.21 : 7,638.64 = 3,298.37 : x
  2. Step 2: Convert to fraction form
    5,537.21/7,638.64 = 3,298.37/x
  3. Step 3: Cross multiply
    5,537.21x = 7,638.64 × 3,298.37
  4. Step 4: Simplify right side
    5,537.21x = 25,195,014.58
  5. Step 5: Solve for x
    x = 25,195,014.58/5,537.21
  6. Step 6: Final answer
    x = 4,550.13

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Why These Related Problems?

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