Home / 8,201.42-11,316.84-4,663.96

Finding the Fourth Proportional to 8,201.42, 11,316.84 and 4,663.96

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Solution

The fourth proportional to 8,201.42, 11,316.84 and 4,663.96 is: 6,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.42 : 11,316.84 = 4,663.96 : x
  2. Step 2: Convert to fraction form
    8,201.42/11,316.84 = 4,663.96/x
  3. Step 3: Cross multiply
    8,201.42x = 11,316.84 × 4,663.96
  4. Step 4: Simplify right side
    8,201.42x = 52,781,289.09
  5. Step 5: Solve for x
    x = 52,781,289.09/8,201.42
  6. Step 6: Final answer
    x = 6,435.63

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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.