Home / 8,356.20-12,530.61-2,511.69

Finding the Fourth Proportional to 8,356.20, 12,530.61 and 2,511.69

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Solution

The fourth proportional to 8,356.20, 12,530.61 and 2,511.69 is: 3,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.20 : 12,530.61 = 2,511.69 : x
  2. Step 2: Convert to fraction form
    8,356.20/12,530.61 = 2,511.69/x
  3. Step 3: Cross multiply
    8,356.20x = 12,530.61 × 2,511.69
  4. Step 4: Simplify right side
    8,356.20x = 31,473,007.83
  5. Step 5: Solve for x
    x = 31,473,007.83/8,356.20
  6. Step 6: Final answer
    x = 3,766.43

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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.