Home / 7,823.10-11,732.20-2,627.76

Finding the Fourth Proportional to 7,823.10, 11,732.20 and 2,627.76

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Solution

The fourth proportional to 7,823.10, 11,732.20 and 2,627.76 is: 3,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.10 : 11,732.20 = 2,627.76 : x
  2. Step 2: Convert to fraction form
    7,823.10/11,732.20 = 2,627.76/x
  3. Step 3: Cross multiply
    7,823.10x = 11,732.20 × 2,627.76
  4. Step 4: Simplify right side
    7,823.10x = 30,829,405.87
  5. Step 5: Solve for x
    x = 30,829,405.87/7,823.10
  6. Step 6: Final answer
    x = 3,940.82

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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.