Home / 5,106.87-7,653.83-2,641.23

Finding the Fourth Proportional to 5,106.87, 7,653.83 and 2,641.23

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Solution

The fourth proportional to 5,106.87, 7,653.83 and 2,641.23 is: 3,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.87 : 7,653.83 = 2,641.23 : x
  2. Step 2: Convert to fraction form
    5,106.87/7,653.83 = 2,641.23/x
  3. Step 3: Cross multiply
    5,106.87x = 7,653.83 × 2,641.23
  4. Step 4: Simplify right side
    5,106.87x = 20,215,512.20
  5. Step 5: Solve for x
    x = 20,215,512.20/5,106.87
  6. Step 6: Final answer
    x = 3,958.49

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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.