Home / 4,821.26-7,225.41-1,898.78

Finding the Fourth Proportional to 4,821.26, 7,225.41 and 1,898.78

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Solution

The fourth proportional to 4,821.26, 7,225.41 and 1,898.78 is: 2,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.26 : 7,225.41 = 1,898.78 : x
  2. Step 2: Convert to fraction form
    4,821.26/7,225.41 = 1,898.78/x
  3. Step 3: Cross multiply
    4,821.26x = 7,225.41 × 1,898.78
  4. Step 4: Simplify right side
    4,821.26x = 13,719,464.00
  5. Step 5: Solve for x
    x = 13,719,464.00/4,821.26
  6. Step 6: Final answer
    x = 2,845.62

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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.