Home / 5,106.22-7,653.18-2,639.71

Finding the Fourth Proportional to 5,106.22, 7,653.18 and 2,639.71

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Solution

The fourth proportional to 5,106.22, 7,653.18 and 2,639.71 is: 3,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.22 : 7,653.18 = 2,639.71 : x
  2. Step 2: Convert to fraction form
    5,106.22/7,653.18 = 2,639.71/x
  3. Step 3: Cross multiply
    5,106.22x = 7,653.18 × 2,639.71
  4. Step 4: Simplify right side
    5,106.22x = 20,202,175.78
  5. Step 5: Solve for x
    x = 20,202,175.78/5,106.22
  6. Step 6: Final answer
    x = 3,956.39

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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.