Home / 4,890.12-7,324.80-3,845.16

Finding the Fourth Proportional to 4,890.12, 7,324.80 and 3,845.16

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Solution

The fourth proportional to 4,890.12, 7,324.80 and 3,845.16 is: 5,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.12 : 7,324.80 = 3,845.16 : x
  2. Step 2: Convert to fraction form
    4,890.12/7,324.80 = 3,845.16/x
  3. Step 3: Cross multiply
    4,890.12x = 7,324.80 × 3,845.16
  4. Step 4: Simplify right side
    4,890.12x = 28,165,027.97
  5. Step 5: Solve for x
    x = 28,165,027.97/4,890.12
  6. Step 6: Final answer
    x = 5,759.58

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1.5x scale

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.