Home / 8,189.60-11,301.55-4,652.73

Finding the Fourth Proportional to 8,189.60, 11,301.55 and 4,652.73

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Solution

The fourth proportional to 8,189.60, 11,301.55 and 4,652.73 is: 6,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.60 : 11,301.55 = 4,652.73 : x
  2. Step 2: Convert to fraction form
    8,189.60/11,301.55 = 4,652.73/x
  3. Step 3: Cross multiply
    8,189.60x = 11,301.55 × 4,652.73
  4. Step 4: Simplify right side
    8,189.60x = 52,583,049.10
  5. Step 5: Solve for x
    x = 52,583,049.10/8,189.60
  6. Step 6: Final answer
    x = 6,420.71

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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.