Home / 8,909.82-12,295.92-4,930.86

Finding the Fourth Proportional to 8,909.82, 12,295.92 and 4,930.86

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Solution

The fourth proportional to 8,909.82, 12,295.92 and 4,930.86 is: 6,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.82 : 12,295.92 = 4,930.86 : x
  2. Step 2: Convert to fraction form
    8,909.82/12,295.92 = 4,930.86/x
  3. Step 3: Cross multiply
    8,909.82x = 12,295.92 × 4,930.86
  4. Step 4: Simplify right side
    8,909.82x = 60,629,460.09
  5. Step 5: Solve for x
    x = 60,629,460.09/8,909.82
  6. Step 6: Final answer
    x = 6,804.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.