Home / 5,131.08-7,690.23-2,496.42

Finding the Fourth Proportional to 5,131.08, 7,690.23 and 2,496.42

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Solution

The fourth proportional to 5,131.08, 7,690.23 and 2,496.42 is: 3,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.08 : 7,690.23 = 2,496.42 : x
  2. Step 2: Convert to fraction form
    5,131.08/7,690.23 = 2,496.42/x
  3. Step 3: Cross multiply
    5,131.08x = 7,690.23 × 2,496.42
  4. Step 4: Simplify right side
    5,131.08x = 19,198,043.98
  5. Step 5: Solve for x
    x = 19,198,043.98/5,131.08
  6. Step 6: Final answer
    x = 3,741.52

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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.