Home / 7,827.96-11,748.60-4,132.86

Finding the Fourth Proportional to 7,827.96, 11,748.60 and 4,132.86

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Solution

The fourth proportional to 7,827.96, 11,748.60 and 4,132.86 is: 6,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.96 : 11,748.60 = 4,132.86 : x
  2. Step 2: Convert to fraction form
    7,827.96/11,748.60 = 4,132.86/x
  3. Step 3: Cross multiply
    7,827.96x = 11,748.60 × 4,132.86
  4. Step 4: Simplify right side
    7,827.96x = 48,555,319.00
  5. Step 5: Solve for x
    x = 48,555,319.00/7,827.96
  6. Step 6: Final answer
    x = 6,202.81

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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.