Home / 7,620.41-11,432.03-3,460.71

Finding the Fourth Proportional to 7,620.41, 11,432.03 and 3,460.71

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Solution

The fourth proportional to 7,620.41, 11,432.03 and 3,460.71 is: 5,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.41 : 11,432.03 = 3,460.71 : x
  2. Step 2: Convert to fraction form
    7,620.41/11,432.03 = 3,460.71/x
  3. Step 3: Cross multiply
    7,620.41x = 11,432.03 × 3,460.71
  4. Step 4: Simplify right side
    7,620.41x = 39,562,940.54
  5. Step 5: Solve for x
    x = 39,562,940.54/7,620.41
  6. Step 6: Final answer
    x = 5,191.71

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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.