Home / 7,936.72-10,953.44-4,399.92

Finding the Fourth Proportional to 7,936.72, 10,953.44 and 4,399.92

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Solution

The fourth proportional to 7,936.72, 10,953.44 and 4,399.92 is: 6,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.72 : 10,953.44 = 4,399.92 : x
  2. Step 2: Convert to fraction form
    7,936.72/10,953.44 = 4,399.92/x
  3. Step 3: Cross multiply
    7,936.72x = 10,953.44 × 4,399.92
  4. Step 4: Simplify right side
    7,936.72x = 48,194,259.72
  5. Step 5: Solve for x
    x = 48,194,259.72/7,936.72
  6. Step 6: Final answer
    x = 6,072.31

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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.