Home / 7,976.86-11,007.58-4,619.43

Finding the Fourth Proportional to 7,976.86, 11,007.58 and 4,619.43

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Solution

The fourth proportional to 7,976.86, 11,007.58 and 4,619.43 is: 6,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.86 : 11,007.58 = 4,619.43 : x
  2. Step 2: Convert to fraction form
    7,976.86/11,007.58 = 4,619.43/x
  3. Step 3: Cross multiply
    7,976.86x = 11,007.58 × 4,619.43
  4. Step 4: Simplify right side
    7,976.86x = 50,848,745.28
  5. Step 5: Solve for x
    x = 50,848,745.28/7,976.86
  6. Step 6: Final answer
    x = 6,374.53

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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.