Home / 7,936.38-10,949.12-5,103.38

Finding the Fourth Proportional to 7,936.38, 10,949.12 and 5,103.38

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Solution

The fourth proportional to 7,936.38, 10,949.12 and 5,103.38 is: 7,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.38 : 10,949.12 = 5,103.38 : x
  2. Step 2: Convert to fraction form
    7,936.38/10,949.12 = 5,103.38/x
  3. Step 3: Cross multiply
    7,936.38x = 10,949.12 × 5,103.38
  4. Step 4: Simplify right side
    7,936.38x = 55,877,538.93
  5. Step 5: Solve for x
    x = 55,877,538.93/7,936.38
  6. Step 6: Final answer
    x = 7,040.68

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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.