Home / 5,159.31-7,736.36-2,197.28

Finding the Fourth Proportional to 5,159.31, 7,736.36 and 2,197.28

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Solution

The fourth proportional to 5,159.31, 7,736.36 and 2,197.28 is: 3,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.31 : 7,736.36 = 2,197.28 : x
  2. Step 2: Convert to fraction form
    5,159.31/7,736.36 = 2,197.28/x
  3. Step 3: Cross multiply
    5,159.31x = 7,736.36 × 2,197.28
  4. Step 4: Simplify right side
    5,159.31x = 16,998,899.43
  5. Step 5: Solve for x
    x = 16,998,899.43/5,159.31
  6. Step 6: Final answer
    x = 3,294.80

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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.