Home / 7,928.82-10,941.84-4,392.09

Finding the Fourth Proportional to 7,928.82, 10,941.84 and 4,392.09

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Solution

The fourth proportional to 7,928.82, 10,941.84 and 4,392.09 is: 6,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.82 : 10,941.84 = 4,392.09 : x
  2. Step 2: Convert to fraction form
    7,928.82/10,941.84 = 4,392.09/x
  3. Step 3: Cross multiply
    7,928.82x = 10,941.84 × 4,392.09
  4. Step 4: Simplify right side
    7,928.82x = 48,057,546.05
  5. Step 5: Solve for x
    x = 48,057,546.05/7,928.82
  6. Step 6: Final answer
    x = 6,061.12

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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.