Home / 6,276.11-8,661.08-3,481.61

Finding the Fourth Proportional to 6,276.11, 8,661.08 and 3,481.61

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Solution

The fourth proportional to 6,276.11, 8,661.08 and 3,481.61 is: 4,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.11 : 8,661.08 = 3,481.61 : x
  2. Step 2: Convert to fraction form
    6,276.11/8,661.08 = 3,481.61/x
  3. Step 3: Cross multiply
    6,276.11x = 8,661.08 × 3,481.61
  4. Step 4: Simplify right side
    6,276.11x = 30,154,485.33
  5. Step 5: Solve for x
    x = 30,154,485.33/6,276.11
  6. Step 6: Final answer
    x = 4,804.65

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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.