Home / 8,755.80-13,131.68-2,910.84

Finding the Fourth Proportional to 8,755.80, 13,131.68 and 2,910.84

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Solution

The fourth proportional to 8,755.80, 13,131.68 and 2,910.84 is: 4,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.80 : 13,131.68 = 2,910.84 : x
  2. Step 2: Convert to fraction form
    8,755.80/13,131.68 = 2,910.84/x
  3. Step 3: Cross multiply
    8,755.80x = 13,131.68 × 2,910.84
  4. Step 4: Simplify right side
    8,755.80x = 38,224,204.86
  5. Step 5: Solve for x
    x = 38,224,204.86/8,755.80
  6. Step 6: Final answer
    x = 4,365.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.