Home / 7,436.34-11,162.61-3,930.66

Finding the Fourth Proportional to 7,436.34, 11,162.61 and 3,930.66

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Solution

The fourth proportional to 7,436.34, 11,162.61 and 3,930.66 is: 5,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.34 : 11,162.61 = 3,930.66 : x
  2. Step 2: Convert to fraction form
    7,436.34/11,162.61 = 3,930.66/x
  3. Step 3: Cross multiply
    7,436.34x = 11,162.61 × 3,930.66
  4. Step 4: Simplify right side
    7,436.34x = 43,876,424.62
  5. Step 5: Solve for x
    x = 43,876,424.62/7,436.34
  6. Step 6: Final answer
    x = 5,900.27

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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.