Home / 8,265.57-12,400.45-3,826.43

Finding the Fourth Proportional to 8,265.57, 12,400.45 and 3,826.43

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Solution

The fourth proportional to 8,265.57, 12,400.45 and 3,826.43 is: 5,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.57 : 12,400.45 = 3,826.43 : x
  2. Step 2: Convert to fraction form
    8,265.57/12,400.45 = 3,826.43/x
  3. Step 3: Cross multiply
    8,265.57x = 12,400.45 × 3,826.43
  4. Step 4: Simplify right side
    8,265.57x = 47,449,465.76
  5. Step 5: Solve for x
    x = 47,449,465.76/8,265.57
  6. Step 6: Final answer
    x = 5,740.62

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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.