Home / 7,389.44-11,080.32-2,769.92

Finding the Fourth Proportional to 7,389.44, 11,080.32 and 2,769.92

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Solution

The fourth proportional to 7,389.44, 11,080.32 and 2,769.92 is: 4,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.44 : 11,080.32 = 2,769.92 : x
  2. Step 2: Convert to fraction form
    7,389.44/11,080.32 = 2,769.92/x
  3. Step 3: Cross multiply
    7,389.44x = 11,080.32 × 2,769.92
  4. Step 4: Simplify right side
    7,389.44x = 30,691,599.97
  5. Step 5: Solve for x
    x = 30,691,599.97/7,389.44
  6. Step 6: Final answer
    x = 4,153.44

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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.