Home / 7,976.56-11,007.90-4,439.98

Finding the Fourth Proportional to 7,976.56, 11,007.90 and 4,439.98

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Solution

The fourth proportional to 7,976.56, 11,007.90 and 4,439.98 is: 6,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.56 : 11,007.90 = 4,439.98 : x
  2. Step 2: Convert to fraction form
    7,976.56/11,007.90 = 4,439.98/x
  3. Step 3: Cross multiply
    7,976.56x = 11,007.90 × 4,439.98
  4. Step 4: Simplify right side
    7,976.56x = 48,874,855.84
  5. Step 5: Solve for x
    x = 48,874,855.84/7,976.56
  6. Step 6: Final answer
    x = 6,127.31

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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.