Home / 4,786.89-7,180.33-2,188

Finding the Fourth Proportional to 4,786.89, 7,180.33 and 2,188

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Solution

The fourth proportional to 4,786.89, 7,180.33 and 2,188 is: 3,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.89 : 7,180.33 = 2,188 : x
  2. Step 2: Convert to fraction form
    4,786.89/7,180.33 = 2,188/x
  3. Step 3: Cross multiply
    4,786.89x = 7,180.33 × 2,188
  4. Step 4: Simplify right side
    4,786.89x = 15,710,562.04
  5. Step 5: Solve for x
    x = 15,710,562.04/4,786.89
  6. Step 6: Final answer
    x = 3,282.00

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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.