Home / 7,936.73-11,888.94-5,154.96

Finding the Fourth Proportional to 7,936.73, 11,888.94 and 5,154.96

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Solution

The fourth proportional to 7,936.73, 11,888.94 and 5,154.96 is: 7,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.73 : 11,888.94 = 5,154.96 : x
  2. Step 2: Convert to fraction form
    7,936.73/11,888.94 = 5,154.96/x
  3. Step 3: Cross multiply
    7,936.73x = 11,888.94 × 5,154.96
  4. Step 4: Simplify right side
    7,936.73x = 61,287,010.14
  5. Step 5: Solve for x
    x = 61,287,010.14/7,936.73
  6. Step 6: Final answer
    x = 7,721.95

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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.