Home / 8,630.13-12,944.94-2,390.52

Finding the Fourth Proportional to 8,630.13, 12,944.94 and 2,390.52

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Solution

The fourth proportional to 8,630.13, 12,944.94 and 2,390.52 is: 3,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.13 : 12,944.94 = 2,390.52 : x
  2. Step 2: Convert to fraction form
    8,630.13/12,944.94 = 2,390.52/x
  3. Step 3: Cross multiply
    8,630.13x = 12,944.94 × 2,390.52
  4. Step 4: Simplify right side
    8,630.13x = 30,945,137.97
  5. Step 5: Solve for x
    x = 30,945,137.97/8,630.13
  6. Step 6: Final answer
    x = 3,585.71

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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.