Home / 5,307.82-7,958.64-2,021.14

Finding the Fourth Proportional to 5,307.82, 7,958.64 and 2,021.14

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Solution

The fourth proportional to 5,307.82, 7,958.64 and 2,021.14 is: 3,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.82 : 7,958.64 = 2,021.14 : x
  2. Step 2: Convert to fraction form
    5,307.82/7,958.64 = 2,021.14/x
  3. Step 3: Cross multiply
    5,307.82x = 7,958.64 × 2,021.14
  4. Step 4: Simplify right side
    5,307.82x = 16,085,525.65
  5. Step 5: Solve for x
    x = 16,085,525.65/5,307.82
  6. Step 6: Final answer
    x = 3,030.53

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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.