Home / 5,433.29-8,134.43-3,578.75

Finding the Fourth Proportional to 5,433.29, 8,134.43 and 3,578.75

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Solution

The fourth proportional to 5,433.29, 8,134.43 and 3,578.75 is: 5,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.29 : 8,134.43 = 3,578.75 : x
  2. Step 2: Convert to fraction form
    5,433.29/8,134.43 = 3,578.75/x
  3. Step 3: Cross multiply
    5,433.29x = 8,134.43 × 3,578.75
  4. Step 4: Simplify right side
    5,433.29x = 29,111,032.80
  5. Step 5: Solve for x
    x = 29,111,032.80/5,433.29
  6. Step 6: Final answer
    x = 5,357.91

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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.