Home / 4,579.20-6,868.80-3,859.20

Finding the Fourth Proportional to 4,579.20, 6,868.80 and 3,859.20

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Solution

The fourth proportional to 4,579.20, 6,868.80 and 3,859.20 is: 5,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.20 : 6,868.80 = 3,859.20 : x
  2. Step 2: Convert to fraction form
    4,579.20/6,868.80 = 3,859.20/x
  3. Step 3: Cross multiply
    4,579.20x = 6,868.80 × 3,859.20
  4. Step 4: Simplify right side
    4,579.20x = 26,508,072.96
  5. Step 5: Solve for x
    x = 26,508,072.96/4,579.20
  6. Step 6: Final answer
    x = 5,788.80

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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.