Home / 9,028.74-13,545.14-3,185.40

Finding the Fourth Proportional to 9,028.74, 13,545.14 and 3,185.40

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Solution

The fourth proportional to 9,028.74, 13,545.14 and 3,185.40 is: 4,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.74 : 13,545.14 = 3,185.40 : x
  2. Step 2: Convert to fraction form
    9,028.74/13,545.14 = 3,185.40/x
  3. Step 3: Cross multiply
    9,028.74x = 13,545.14 × 3,185.40
  4. Step 4: Simplify right side
    9,028.74x = 43,146,673.03
  5. Step 5: Solve for x
    x = 43,146,673.03/9,028.74
  6. Step 6: Final answer
    x = 4,778.81

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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.