Home / 7,352.47-11,028.68-3,191.93

Finding the Fourth Proportional to 7,352.47, 11,028.68 and 3,191.93

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Solution

The fourth proportional to 7,352.47, 11,028.68 and 3,191.93 is: 4,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.47 : 11,028.68 = 3,191.93 : x
  2. Step 2: Convert to fraction form
    7,352.47/11,028.68 = 3,191.93/x
  3. Step 3: Cross multiply
    7,352.47x = 11,028.68 × 3,191.93
  4. Step 4: Simplify right side
    7,352.47x = 35,202,786.16
  5. Step 5: Solve for x
    x = 35,202,786.16/7,352.47
  6. Step 6: Final answer
    x = 4,787.89

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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.