Home / 7,976.72-11,006.56-4,439.84

Finding the Fourth Proportional to 7,976.72, 11,006.56 and 4,439.84

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Solution

The fourth proportional to 7,976.72, 11,006.56 and 4,439.84 is: 6,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.72 : 11,006.56 = 4,439.84 : x
  2. Step 2: Convert to fraction form
    7,976.72/11,006.56 = 4,439.84/x
  3. Step 3: Cross multiply
    7,976.72x = 11,006.56 × 4,439.84
  4. Step 4: Simplify right side
    7,976.72x = 48,867,365.35
  5. Step 5: Solve for x
    x = 48,867,365.35/7,976.72
  6. Step 6: Final answer
    x = 6,126.25

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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.