Home / 5,946.21-8,920.79-1,786.29

Finding the Fourth Proportional to 5,946.21, 8,920.79 and 1,786.29

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Solution

The fourth proportional to 5,946.21, 8,920.79 and 1,786.29 is: 2,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,946.21 : 8,920.79 = 1,786.29 : x
  2. Step 2: Convert to fraction form
    5,946.21/8,920.79 = 1,786.29/x
  3. Step 3: Cross multiply
    5,946.21x = 8,920.79 × 1,786.29
  4. Step 4: Simplify right side
    5,946.21x = 15,935,109.04
  5. Step 5: Solve for x
    x = 15,935,109.04/5,946.21
  6. Step 6: Final answer
    x = 2,679.88

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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.