Home / 5,211.16-7,822.14-3,491.80

Finding the Fourth Proportional to 5,211.16, 7,822.14 and 3,491.80

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Solution

The fourth proportional to 5,211.16, 7,822.14 and 3,491.80 is: 5,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.16 : 7,822.14 = 3,491.80 : x
  2. Step 2: Convert to fraction form
    5,211.16/7,822.14 = 3,491.80/x
  3. Step 3: Cross multiply
    5,211.16x = 7,822.14 × 3,491.80
  4. Step 4: Simplify right side
    5,211.16x = 27,313,348.45
  5. Step 5: Solve for x
    x = 27,313,348.45/5,211.16
  6. Step 6: Final answer
    x = 5,241.32

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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.