Home / 8,352.45-12,511.65-3,956.58

Finding the Fourth Proportional to 8,352.45, 12,511.65 and 3,956.58

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Solution

The fourth proportional to 8,352.45, 12,511.65 and 3,956.58 is: 5,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.45 : 12,511.65 = 3,956.58 : x
  2. Step 2: Convert to fraction form
    8,352.45/12,511.65 = 3,956.58/x
  3. Step 3: Cross multiply
    8,352.45x = 12,511.65 × 3,956.58
  4. Step 4: Simplify right side
    8,352.45x = 49,503,344.16
  5. Step 5: Solve for x
    x = 49,503,344.16/8,352.45
  6. Step 6: Final answer
    x = 5,926.81

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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.