Home / 9,112.80-13,669.20-3,846.42

Finding the Fourth Proportional to 9,112.80, 13,669.20 and 3,846.42

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Solution

The fourth proportional to 9,112.80, 13,669.20 and 3,846.42 is: 5,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.80 : 13,669.20 = 3,846.42 : x
  2. Step 2: Convert to fraction form
    9,112.80/13,669.20 = 3,846.42/x
  3. Step 3: Cross multiply
    9,112.80x = 13,669.20 × 3,846.42
  4. Step 4: Simplify right side
    9,112.80x = 52,577,484.26
  5. Step 5: Solve for x
    x = 52,577,484.26/9,112.80
  6. Step 6: Final answer
    x = 5,769.63

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Similar ratio
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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.