Home / 4,786.23-7,180.71-2,011.47

Finding the Fourth Proportional to 4,786.23, 7,180.71 and 2,011.47

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Solution

The fourth proportional to 4,786.23, 7,180.71 and 2,011.47 is: 3,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.23 : 7,180.71 = 2,011.47 : x
  2. Step 2: Convert to fraction form
    4,786.23/7,180.71 = 2,011.47/x
  3. Step 3: Cross multiply
    4,786.23x = 7,180.71 × 2,011.47
  4. Step 4: Simplify right side
    4,786.23x = 14,443,782.74
  5. Step 5: Solve for x
    x = 14,443,782.74/4,786.23
  6. Step 6: Final answer
    x = 3,017.78

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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.