Home / 4,742.82-7,115.22-2,403.09

Finding the Fourth Proportional to 4,742.82, 7,115.22 and 2,403.09

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Solution

The fourth proportional to 4,742.82, 7,115.22 and 2,403.09 is: 3,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.82 : 7,115.22 = 2,403.09 : x
  2. Step 2: Convert to fraction form
    4,742.82/7,115.22 = 2,403.09/x
  3. Step 3: Cross multiply
    4,742.82x = 7,115.22 × 2,403.09
  4. Step 4: Simplify right side
    4,742.82x = 17,098,514.03
  5. Step 5: Solve for x
    x = 17,098,514.03/4,742.82
  6. Step 6: Final answer
    x = 3,605.14

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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.