Home / 4,786.85-7,180.83-2,319.90

Finding the Fourth Proportional to 4,786.85, 7,180.83 and 2,319.90

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Solution

The fourth proportional to 4,786.85, 7,180.83 and 2,319.90 is: 3,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.85 : 7,180.83 = 2,319.90 : x
  2. Step 2: Convert to fraction form
    4,786.85/7,180.83 = 2,319.90/x
  3. Step 3: Cross multiply
    4,786.85x = 7,180.83 × 2,319.90
  4. Step 4: Simplify right side
    4,786.85x = 16,658,807.52
  5. Step 5: Solve for x
    x = 16,658,807.52/4,786.85
  6. Step 6: Final answer
    x = 3,480.12

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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.