Home / 5,308.31-7,961.22-2,185.22

Finding the Fourth Proportional to 5,308.31, 7,961.22 and 2,185.22

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Solution

The fourth proportional to 5,308.31, 7,961.22 and 2,185.22 is: 3,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.31 : 7,961.22 = 2,185.22 : x
  2. Step 2: Convert to fraction form
    5,308.31/7,961.22 = 2,185.22/x
  3. Step 3: Cross multiply
    5,308.31x = 7,961.22 × 2,185.22
  4. Step 4: Simplify right side
    5,308.31x = 17,397,037.07
  5. Step 5: Solve for x
    x = 17,397,037.07/5,308.31
  6. Step 6: Final answer
    x = 3,277.32

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1.5x scale

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.