Home / 5,433.96-8,143.58-3,891.56

Finding the Fourth Proportional to 5,433.96, 8,143.58 and 3,891.56

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Solution

The fourth proportional to 5,433.96, 8,143.58 and 3,891.56 is: 5,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.96 : 8,143.58 = 3,891.56 : x
  2. Step 2: Convert to fraction form
    5,433.96/8,143.58 = 3,891.56/x
  3. Step 3: Cross multiply
    5,433.96x = 8,143.58 × 3,891.56
  4. Step 4: Simplify right side
    5,433.96x = 31,691,230.18
  5. Step 5: Solve for x
    x = 31,691,230.18/5,433.96
  6. Step 6: Final answer
    x = 5,832.07

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1.5x scale

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.