Home / 4,786.17-7,176.83-2,189.31

Finding the Fourth Proportional to 4,786.17, 7,176.83 and 2,189.31

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Solution

The fourth proportional to 4,786.17, 7,176.83 and 2,189.31 is: 3,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.17 : 7,176.83 = 2,189.31 : x
  2. Step 2: Convert to fraction form
    4,786.17/7,176.83 = 2,189.31/x
  3. Step 3: Cross multiply
    4,786.17x = 7,176.83 × 2,189.31
  4. Step 4: Simplify right side
    4,786.17x = 15,712,294.74
  5. Step 5: Solve for x
    x = 15,712,294.74/4,786.17
  6. Step 6: Final answer
    x = 3,282.85

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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.