Home / 7,310.69-10,962.61-2,629.36

Finding the Fourth Proportional to 7,310.69, 10,962.61 and 2,629.36

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Solution

The fourth proportional to 7,310.69, 10,962.61 and 2,629.36 is: 3,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.69 : 10,962.61 = 2,629.36 : x
  2. Step 2: Convert to fraction form
    7,310.69/10,962.61 = 2,629.36/x
  3. Step 3: Cross multiply
    7,310.69x = 10,962.61 × 2,629.36
  4. Step 4: Simplify right side
    7,310.69x = 28,824,655.36
  5. Step 5: Solve for x
    x = 28,824,655.36/7,310.69
  6. Step 6: Final answer
    x = 3,942.81

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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.