Home / 5,435.14-8,149.06-2,146.54

Finding the Fourth Proportional to 5,435.14, 8,149.06 and 2,146.54

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Solution

The fourth proportional to 5,435.14, 8,149.06 and 2,146.54 is: 3,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.14 : 8,149.06 = 2,146.54 : x
  2. Step 2: Convert to fraction form
    5,435.14/8,149.06 = 2,146.54/x
  3. Step 3: Cross multiply
    5,435.14x = 8,149.06 × 2,146.54
  4. Step 4: Simplify right side
    5,435.14x = 17,492,283.25
  5. Step 5: Solve for x
    x = 17,492,283.25/5,435.14
  6. Step 6: Final answer
    x = 3,218.37

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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.