Home / 8,141.27-11,236.70-4,955.59

Finding the Fourth Proportional to 8,141.27, 11,236.70 and 4,955.59

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Solution

The fourth proportional to 8,141.27, 11,236.70 and 4,955.59 is: 6,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.27 : 11,236.70 = 4,955.59 : x
  2. Step 2: Convert to fraction form
    8,141.27/11,236.70 = 4,955.59/x
  3. Step 3: Cross multiply
    8,141.27x = 11,236.70 × 4,955.59
  4. Step 4: Simplify right side
    8,141.27x = 55,684,421.97
  5. Step 5: Solve for x
    x = 55,684,421.97/8,141.27
  6. Step 6: Final answer
    x = 6,839.78

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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.