Home / 7,936.08-11,905.92-5,011.20

Finding the Fourth Proportional to 7,936.08, 11,905.92 and 5,011.20

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Solution

The fourth proportional to 7,936.08, 11,905.92 and 5,011.20 is: 7,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.08 : 11,905.92 = 5,011.20 : x
  2. Step 2: Convert to fraction form
    7,936.08/11,905.92 = 5,011.20/x
  3. Step 3: Cross multiply
    7,936.08x = 11,905.92 × 5,011.20
  4. Step 4: Simplify right side
    7,936.08x = 59,662,946.30
  5. Step 5: Solve for x
    x = 59,662,946.30/7,936.08
  6. Step 6: Final answer
    x = 7,517.94

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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.