Home / 5,453.12-8,178.66-1,450.52

Finding the Fourth Proportional to 5,453.12, 8,178.66 and 1,450.52

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Solution

The fourth proportional to 5,453.12, 8,178.66 and 1,450.52 is: 2,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.12 : 8,178.66 = 1,450.52 : x
  2. Step 2: Convert to fraction form
    5,453.12/8,178.66 = 1,450.52/x
  3. Step 3: Cross multiply
    5,453.12x = 8,178.66 × 1,450.52
  4. Step 4: Simplify right side
    5,453.12x = 11,863,309.90
  5. Step 5: Solve for x
    x = 11,863,309.90/5,453.12
  6. Step 6: Final answer
    x = 2,175.51

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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.