Home / 7,238.88-10,851.92-3,132.64

Finding the Fourth Proportional to 7,238.88, 10,851.92 and 3,132.64

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Solution

The fourth proportional to 7,238.88, 10,851.92 and 3,132.64 is: 4,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.88 : 10,851.92 = 3,132.64 : x
  2. Step 2: Convert to fraction form
    7,238.88/10,851.92 = 3,132.64/x
  3. Step 3: Cross multiply
    7,238.88x = 10,851.92 × 3,132.64
  4. Step 4: Simplify right side
    7,238.88x = 33,995,158.67
  5. Step 5: Solve for x
    x = 33,995,158.67/7,238.88
  6. Step 6: Final answer
    x = 4,696.19

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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.