Home / 9,028.62-13,545.23-3,480.47

Finding the Fourth Proportional to 9,028.62, 13,545.23 and 3,480.47

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Solution

The fourth proportional to 9,028.62, 13,545.23 and 3,480.47 is: 5,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.62 : 13,545.23 = 3,480.47 : x
  2. Step 2: Convert to fraction form
    9,028.62/13,545.23 = 3,480.47/x
  3. Step 3: Cross multiply
    9,028.62x = 13,545.23 × 3,480.47
  4. Step 4: Simplify right side
    9,028.62x = 47,143,766.66
  5. Step 5: Solve for x
    x = 47,143,766.66/9,028.62
  6. Step 6: Final answer
    x = 5,221.59

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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.