Home / 5,021.82-7,530.56-2,681.30

Finding the Fourth Proportional to 5,021.82, 7,530.56 and 2,681.30

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Solution

The fourth proportional to 5,021.82, 7,530.56 and 2,681.30 is: 4,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.82 : 7,530.56 = 2,681.30 : x
  2. Step 2: Convert to fraction form
    5,021.82/7,530.56 = 2,681.30/x
  3. Step 3: Cross multiply
    5,021.82x = 7,530.56 × 2,681.30
  4. Step 4: Simplify right side
    5,021.82x = 20,191,690.53
  5. Step 5: Solve for x
    x = 20,191,690.53/5,021.82
  6. Step 6: Final answer
    x = 4,020.79

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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.