Home / 7,519.32-11,278.89-3,076.05

Finding the Fourth Proportional to 7,519.32, 11,278.89 and 3,076.05

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Solution

The fourth proportional to 7,519.32, 11,278.89 and 3,076.05 is: 4,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.32 : 11,278.89 = 3,076.05 : x
  2. Step 2: Convert to fraction form
    7,519.32/11,278.89 = 3,076.05/x
  3. Step 3: Cross multiply
    7,519.32x = 11,278.89 × 3,076.05
  4. Step 4: Simplify right side
    7,519.32x = 34,694,429.58
  5. Step 5: Solve for x
    x = 34,694,429.58/7,519.32
  6. Step 6: Final answer
    x = 4,614.04

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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.