Home / 7,936.31-11,905.61-4,236.51

Finding the Fourth Proportional to 7,936.31, 11,905.61 and 4,236.51

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Solution

The fourth proportional to 7,936.31, 11,905.61 and 4,236.51 is: 6,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.31 : 11,905.61 = 4,236.51 : x
  2. Step 2: Convert to fraction form
    7,936.31/11,905.61 = 4,236.51/x
  3. Step 3: Cross multiply
    7,936.31x = 11,905.61 × 4,236.51
  4. Step 4: Simplify right side
    7,936.31x = 50,438,214.64
  5. Step 5: Solve for x
    x = 50,438,214.64/7,936.31
  6. Step 6: Final answer
    x = 6,355.38

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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.