Home / 8,205.86-11,324.03-4,620.92

Finding the Fourth Proportional to 8,205.86, 11,324.03 and 4,620.92

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Solution

The fourth proportional to 8,205.86, 11,324.03 and 4,620.92 is: 6,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.86 : 11,324.03 = 4,620.92 : x
  2. Step 2: Convert to fraction form
    8,205.86/11,324.03 = 4,620.92/x
  3. Step 3: Cross multiply
    8,205.86x = 11,324.03 × 4,620.92
  4. Step 4: Simplify right side
    8,205.86x = 52,327,476.57
  5. Step 5: Solve for x
    x = 52,327,476.57/8,205.86
  6. Step 6: Final answer
    x = 6,376.84

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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.