Home / 5,143.82-7,717.62-2,182.91

Finding the Fourth Proportional to 5,143.82, 7,717.62 and 2,182.91

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Solution

The fourth proportional to 5,143.82, 7,717.62 and 2,182.91 is: 3,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.82 : 7,717.62 = 2,182.91 : x
  2. Step 2: Convert to fraction form
    5,143.82/7,717.62 = 2,182.91/x
  3. Step 3: Cross multiply
    5,143.82x = 7,717.62 × 2,182.91
  4. Step 4: Simplify right side
    5,143.82x = 16,846,869.87
  5. Step 5: Solve for x
    x = 16,846,869.87/5,143.82
  6. Step 6: Final answer
    x = 3,275.17

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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.