Home / 7,284.26-10,926.39-3,121.58

Finding the Fourth Proportional to 7,284.26, 10,926.39 and 3,121.58

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Solution

The fourth proportional to 7,284.26, 10,926.39 and 3,121.58 is: 4,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.26 : 10,926.39 = 3,121.58 : x
  2. Step 2: Convert to fraction form
    7,284.26/10,926.39 = 3,121.58/x
  3. Step 3: Cross multiply
    7,284.26x = 10,926.39 × 3,121.58
  4. Step 4: Simplify right side
    7,284.26x = 34,107,545.86
  5. Step 5: Solve for x
    x = 34,107,545.86/7,284.26
  6. Step 6: Final answer
    x = 4,682.37

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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.