Home / 7,818.20-11,724.33-2,551.95

Finding the Fourth Proportional to 7,818.20, 11,724.33 and 2,551.95

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Solution

The fourth proportional to 7,818.20, 11,724.33 and 2,551.95 is: 3,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.20 : 11,724.33 = 2,551.95 : x
  2. Step 2: Convert to fraction form
    7,818.20/11,724.33 = 2,551.95/x
  3. Step 3: Cross multiply
    7,818.20x = 11,724.33 × 2,551.95
  4. Step 4: Simplify right side
    7,818.20x = 29,919,903.94
  5. Step 5: Solve for x
    x = 29,919,903.94/7,818.20
  6. Step 6: Final answer
    x = 3,826.96

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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.