Home / 8,185.14-12,275.12-2,637.29

Finding the Fourth Proportional to 8,185.14, 12,275.12 and 2,637.29

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Solution

The fourth proportional to 8,185.14, 12,275.12 and 2,637.29 is: 3,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.14 : 12,275.12 = 2,637.29 : x
  2. Step 2: Convert to fraction form
    8,185.14/12,275.12 = 2,637.29/x
  3. Step 3: Cross multiply
    8,185.14x = 12,275.12 × 2,637.29
  4. Step 4: Simplify right side
    8,185.14x = 32,372,976.66
  5. Step 5: Solve for x
    x = 32,372,976.66/8,185.14
  6. Step 6: Final answer
    x = 3,955.09

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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.