Home / 7,346.92-11,020.38-2,151.58

Finding the Fourth Proportional to 7,346.92, 11,020.38 and 2,151.58

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Solution

The fourth proportional to 7,346.92, 11,020.38 and 2,151.58 is: 3,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.92 : 11,020.38 = 2,151.58 : x
  2. Step 2: Convert to fraction form
    7,346.92/11,020.38 = 2,151.58/x
  3. Step 3: Cross multiply
    7,346.92x = 11,020.38 × 2,151.58
  4. Step 4: Simplify right side
    7,346.92x = 23,711,229.20
  5. Step 5: Solve for x
    x = 23,711,229.20/7,346.92
  6. Step 6: Final answer
    x = 3,227.37

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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.