Home / 7,429.54-11,148.77-2,748.75

Finding the Fourth Proportional to 7,429.54, 11,148.77 and 2,748.75

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Solution

The fourth proportional to 7,429.54, 11,148.77 and 2,748.75 is: 4,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.54 : 11,148.77 = 2,748.75 : x
  2. Step 2: Convert to fraction form
    7,429.54/11,148.77 = 2,748.75/x
  3. Step 3: Cross multiply
    7,429.54x = 11,148.77 × 2,748.75
  4. Step 4: Simplify right side
    7,429.54x = 30,645,195.67
  5. Step 5: Solve for x
    x = 30,645,195.67/7,429.54
  6. Step 6: Final answer
    x = 4,124.78

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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.