Home / 7,153.07-10,729.49-3,453.39

Finding the Fourth Proportional to 7,153.07, 10,729.49 and 3,453.39

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Solution

The fourth proportional to 7,153.07, 10,729.49 and 3,453.39 is: 5,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.07 : 10,729.49 = 3,453.39 : x
  2. Step 2: Convert to fraction form
    7,153.07/10,729.49 = 3,453.39/x
  3. Step 3: Cross multiply
    7,153.07x = 10,729.49 × 3,453.39
  4. Step 4: Simplify right side
    7,153.07x = 37,053,096.20
  5. Step 5: Solve for x
    x = 37,053,096.20/7,153.07
  6. Step 6: Final answer
    x = 5,180.03

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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.