Home / 9,321.08-13,976.20-3,769.88

Finding the Fourth Proportional to 9,321.08, 13,976.20 and 3,769.88

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Solution

The fourth proportional to 9,321.08, 13,976.20 and 3,769.88 is: 5,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.08 : 13,976.20 = 3,769.88 : x
  2. Step 2: Convert to fraction form
    9,321.08/13,976.20 = 3,769.88/x
  3. Step 3: Cross multiply
    9,321.08x = 13,976.20 × 3,769.88
  4. Step 4: Simplify right side
    9,321.08x = 52,688,596.86
  5. Step 5: Solve for x
    x = 52,688,596.86/9,321.08
  6. Step 6: Final answer
    x = 5,652.63

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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.