Home / 5,198.34-7,785.76-3,645.24

Finding the Fourth Proportional to 5,198.34, 7,785.76 and 3,645.24

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Solution

The fourth proportional to 5,198.34, 7,785.76 and 3,645.24 is: 5,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.34 : 7,785.76 = 3,645.24 : x
  2. Step 2: Convert to fraction form
    5,198.34/7,785.76 = 3,645.24/x
  3. Step 3: Cross multiply
    5,198.34x = 7,785.76 × 3,645.24
  4. Step 4: Simplify right side
    5,198.34x = 28,380,963.78
  5. Step 5: Solve for x
    x = 28,380,963.78/5,198.34
  6. Step 6: Final answer
    x = 5,459.62

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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.