Home / 8,111.80-11,193.22-4,525.89

Finding the Fourth Proportional to 8,111.80, 11,193.22 and 4,525.89

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Solution

The fourth proportional to 8,111.80, 11,193.22 and 4,525.89 is: 6,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.80 : 11,193.22 = 4,525.89 : x
  2. Step 2: Convert to fraction form
    8,111.80/11,193.22 = 4,525.89/x
  3. Step 3: Cross multiply
    8,111.80x = 11,193.22 × 4,525.89
  4. Step 4: Simplify right side
    8,111.80x = 50,659,282.47
  5. Step 5: Solve for x
    x = 50,659,282.47/8,111.80
  6. Step 6: Final answer
    x = 6,245.13

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Double scale
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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.