Home / 4,815.57-7,224.37-1,528.19

Finding the Fourth Proportional to 4,815.57, 7,224.37 and 1,528.19

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Solution

The fourth proportional to 4,815.57, 7,224.37 and 1,528.19 is: 2,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.57 : 7,224.37 = 1,528.19 : x
  2. Step 2: Convert to fraction form
    4,815.57/7,224.37 = 1,528.19/x
  3. Step 3: Cross multiply
    4,815.57x = 7,224.37 × 1,528.19
  4. Step 4: Simplify right side
    4,815.57x = 11,040,209.99
  5. Step 5: Solve for x
    x = 11,040,209.99/4,815.57
  6. Step 6: Final answer
    x = 2,292.61

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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.