Home / 5,101.88-7,653.92-1,591.81

Finding the Fourth Proportional to 5,101.88, 7,653.92 and 1,591.81

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Solution

The fourth proportional to 5,101.88, 7,653.92 and 1,591.81 is: 2,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.88 : 7,653.92 = 1,591.81 : x
  2. Step 2: Convert to fraction form
    5,101.88/7,653.92 = 1,591.81/x
  3. Step 3: Cross multiply
    5,101.88x = 7,653.92 × 1,591.81
  4. Step 4: Simplify right side
    5,101.88x = 12,183,559.30
  5. Step 5: Solve for x
    x = 12,183,559.30/5,101.88
  6. Step 6: Final answer
    x = 2,388.06

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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.