Home / 8,181.27-11,290.20-4,644.54

Finding the Fourth Proportional to 8,181.27, 11,290.20 and 4,644.54

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Solution

The fourth proportional to 8,181.27, 11,290.20 and 4,644.54 is: 6,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.27 : 11,290.20 = 4,644.54 : x
  2. Step 2: Convert to fraction form
    8,181.27/11,290.20 = 4,644.54/x
  3. Step 3: Cross multiply
    8,181.27x = 11,290.20 × 4,644.54
  4. Step 4: Simplify right side
    8,181.27x = 52,437,785.51
  5. Step 5: Solve for x
    x = 52,437,785.51/8,181.27
  6. Step 6: Final answer
    x = 6,409.49

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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.