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Finding the Fourth Proportional to 7,329.63, 10,995.53 and 2,649.99

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Solution

The fourth proportional to 7,329.63, 10,995.53 and 2,649.99 is: 3,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.63 : 10,995.53 = 2,649.99 : x
  2. Step 2: Convert to fraction form
    7,329.63/10,995.53 = 2,649.99/x
  3. Step 3: Cross multiply
    7,329.63x = 10,995.53 × 2,649.99
  4. Step 4: Simplify right side
    7,329.63x = 29,138,031.29
  5. Step 5: Solve for x
    x = 29,138,031.29/7,329.63
  6. Step 6: Final answer
    x = 3,975.38

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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.