Home / 8,181.54-11,290.19-4,644.95

Finding the Fourth Proportional to 8,181.54, 11,290.19 and 4,644.95

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Solution

The fourth proportional to 8,181.54, 11,290.19 and 4,644.95 is: 6,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.54 : 11,290.19 = 4,644.95 : x
  2. Step 2: Convert to fraction form
    8,181.54/11,290.19 = 4,644.95/x
  3. Step 3: Cross multiply
    8,181.54x = 11,290.19 × 4,644.95
  4. Step 4: Simplify right side
    8,181.54x = 52,442,288.36
  5. Step 5: Solve for x
    x = 52,442,288.36/8,181.54
  6. Step 6: Final answer
    x = 6,409.83

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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.