Home / 8,268.13-11,409.69-4,910.86

Finding the Fourth Proportional to 8,268.13, 11,409.69 and 4,910.86

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Solution

The fourth proportional to 8,268.13, 11,409.69 and 4,910.86 is: 6,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.13 : 11,409.69 = 4,910.86 : x
  2. Step 2: Convert to fraction form
    8,268.13/11,409.69 = 4,910.86/x
  3. Step 3: Cross multiply
    8,268.13x = 11,409.69 × 4,910.86
  4. Step 4: Simplify right side
    8,268.13x = 56,031,358.73
  5. Step 5: Solve for x
    x = 56,031,358.73/8,268.13
  6. Step 6: Final answer
    x = 6,776.79

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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.