Home / 5,324.82-7,981.86-2,206.53

Finding the Fourth Proportional to 5,324.82, 7,981.86 and 2,206.53

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Solution

The fourth proportional to 5,324.82, 7,981.86 and 2,206.53 is: 3,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.82 : 7,981.86 = 2,206.53 : x
  2. Step 2: Convert to fraction form
    5,324.82/7,981.86 = 2,206.53/x
  3. Step 3: Cross multiply
    5,324.82x = 7,981.86 × 2,206.53
  4. Step 4: Simplify right side
    5,324.82x = 17,612,213.55
  5. Step 5: Solve for x
    x = 17,612,213.55/5,324.82
  6. Step 6: Final answer
    x = 3,307.57

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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.