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Finding the Fourth Proportional to 4,561.91, 6,844.91 and 2,809.57

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Solution

The fourth proportional to 4,561.91, 6,844.91 and 2,809.57 is: 4,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.91 : 6,844.91 = 2,809.57 : x
  2. Step 2: Convert to fraction form
    4,561.91/6,844.91 = 2,809.57/x
  3. Step 3: Cross multiply
    4,561.91x = 6,844.91 × 2,809.57
  4. Step 4: Simplify right side
    4,561.91x = 19,231,253.79
  5. Step 5: Solve for x
    x = 19,231,253.79/4,561.91
  6. Step 6: Final answer
    x = 4,215.61

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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.