Home / 7,310.60-10,966.80-2,629.88

Finding the Fourth Proportional to 7,310.60, 10,966.80 and 2,629.88

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Solution

The fourth proportional to 7,310.60, 10,966.80 and 2,629.88 is: 3,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.60 : 10,966.80 = 2,629.88 : x
  2. Step 2: Convert to fraction form
    7,310.60/10,966.80 = 2,629.88/x
  3. Step 3: Cross multiply
    7,310.60x = 10,966.80 × 2,629.88
  4. Step 4: Simplify right side
    7,310.60x = 28,841,367.98
  5. Step 5: Solve for x
    x = 28,841,367.98/7,310.60
  6. Step 6: Final answer
    x = 3,945.14

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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.