Home / 4,629.89-6,389.33-3,305.85

Finding the Fourth Proportional to 4,629.89, 6,389.33 and 3,305.85

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Solution

The fourth proportional to 4,629.89, 6,389.33 and 3,305.85 is: 4,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.89 : 6,389.33 = 3,305.85 : x
  2. Step 2: Convert to fraction form
    4,629.89/6,389.33 = 3,305.85/x
  3. Step 3: Cross multiply
    4,629.89x = 6,389.33 × 3,305.85
  4. Step 4: Simplify right side
    4,629.89x = 21,122,150.05
  5. Step 5: Solve for x
    x = 21,122,150.05/4,629.89
  6. Step 6: Final answer
    x = 4,562.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.