Home / 7,955.09-11,936.51-3,211.06

Finding the Fourth Proportional to 7,955.09, 11,936.51 and 3,211.06

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Solution

The fourth proportional to 7,955.09, 11,936.51 and 3,211.06 is: 4,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.09 : 11,936.51 = 3,211.06 : x
  2. Step 2: Convert to fraction form
    7,955.09/11,936.51 = 3,211.06/x
  3. Step 3: Cross multiply
    7,955.09x = 11,936.51 × 3,211.06
  4. Step 4: Simplify right side
    7,955.09x = 38,328,856.39
  5. Step 5: Solve for x
    x = 38,328,856.39/7,955.09
  6. Step 6: Final answer
    x = 4,818.15

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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.