Home / 7,286.26-10,929.39-3,123.58

Finding the Fourth Proportional to 7,286.26, 10,929.39 and 3,123.58

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Solution

The fourth proportional to 7,286.26, 10,929.39 and 3,123.58 is: 4,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.26 : 10,929.39 = 3,123.58 : x
  2. Step 2: Convert to fraction form
    7,286.26/10,929.39 = 3,123.58/x
  3. Step 3: Cross multiply
    7,286.26x = 10,929.39 × 3,123.58
  4. Step 4: Simplify right side
    7,286.26x = 34,138,769.37
  5. Step 5: Solve for x
    x = 34,138,769.37/7,286.26
  6. Step 6: Final answer
    x = 4,685.37

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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.