Home / 9,231.32-12,738.90-5,694.44

Finding the Fourth Proportional to 9,231.32, 12,738.90 and 5,694.44

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Solution

The fourth proportional to 9,231.32, 12,738.90 and 5,694.44 is: 7,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.32 : 12,738.90 = 5,694.44 : x
  2. Step 2: Convert to fraction form
    9,231.32/12,738.90 = 5,694.44/x
  3. Step 3: Cross multiply
    9,231.32x = 12,738.90 × 5,694.44
  4. Step 4: Simplify right side
    9,231.32x = 72,540,901.72
  5. Step 5: Solve for x
    x = 72,540,901.72/9,231.32
  6. Step 6: Final answer
    x = 7,858.13

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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.