Home / 7,976.54-11,007.62-4,439.76

Finding the Fourth Proportional to 7,976.54, 11,007.62 and 4,439.76

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Solution

The fourth proportional to 7,976.54, 11,007.62 and 4,439.76 is: 6,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.54 : 11,007.62 = 4,439.76 : x
  2. Step 2: Convert to fraction form
    7,976.54/11,007.62 = 4,439.76/x
  3. Step 3: Cross multiply
    7,976.54x = 11,007.62 × 4,439.76
  4. Step 4: Simplify right side
    7,976.54x = 48,871,190.97
  5. Step 5: Solve for x
    x = 48,871,190.97/7,976.54
  6. Step 6: Final answer
    x = 6,126.87

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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.