Home / 7,928.62-11,892.89-4,662.50

Finding the Fourth Proportional to 7,928.62, 11,892.89 and 4,662.50

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Solution

The fourth proportional to 7,928.62, 11,892.89 and 4,662.50 is: 6,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.62 : 11,892.89 = 4,662.50 : x
  2. Step 2: Convert to fraction form
    7,928.62/11,892.89 = 4,662.50/x
  3. Step 3: Cross multiply
    7,928.62x = 11,892.89 × 4,662.50
  4. Step 4: Simplify right side
    7,928.62x = 55,450,551.82
  5. Step 5: Solve for x
    x = 55,450,551.82/7,928.62
  6. Step 6: Final answer
    x = 6,993.72

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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.