Home / 7,826.34-11,740.86-2,631

Finding the Fourth Proportional to 7,826.34, 11,740.86 and 2,631

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Solution

The fourth proportional to 7,826.34, 11,740.86 and 2,631 is: 3,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.34 : 11,740.86 = 2,631 : x
  2. Step 2: Convert to fraction form
    7,826.34/11,740.86 = 2,631/x
  3. Step 3: Cross multiply
    7,826.34x = 11,740.86 × 2,631
  4. Step 4: Simplify right side
    7,826.34x = 30,890,202.66
  5. Step 5: Solve for x
    x = 30,890,202.66/7,826.34
  6. Step 6: Final answer
    x = 3,946.95

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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.