Home / 5,198.31-7,797.48-1,302.69

Finding the Fourth Proportional to 5,198.31, 7,797.48 and 1,302.69

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Solution

The fourth proportional to 5,198.31, 7,797.48 and 1,302.69 is: 1,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.31 : 7,797.48 = 1,302.69 : x
  2. Step 2: Convert to fraction form
    5,198.31/7,797.48 = 1,302.69/x
  3. Step 3: Cross multiply
    5,198.31x = 7,797.48 × 1,302.69
  4. Step 4: Simplify right side
    5,198.31x = 10,157,699.22
  5. Step 5: Solve for x
    x = 10,157,699.22/5,198.31
  6. Step 6: Final answer
    x = 1,954.04

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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.