Home / 5,857.74-8,786.58-2,160.09

Finding the Fourth Proportional to 5,857.74, 8,786.58 and 2,160.09

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Solution

The fourth proportional to 5,857.74, 8,786.58 and 2,160.09 is: 3,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.74 : 8,786.58 = 2,160.09 : x
  2. Step 2: Convert to fraction form
    5,857.74/8,786.58 = 2,160.09/x
  3. Step 3: Cross multiply
    5,857.74x = 8,786.58 × 2,160.09
  4. Step 4: Simplify right side
    5,857.74x = 18,979,803.59
  5. Step 5: Solve for x
    x = 18,979,803.59/5,857.74
  6. Step 6: Final answer
    x = 3,240.12

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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.