Home / 4,285.32-5,923.60-3,940.90

Finding the Fourth Proportional to 4,285.32, 5,923.60 and 3,940.90

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Solution

The fourth proportional to 4,285.32, 5,923.60 and 3,940.90 is: 5,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.32 : 5,923.60 = 3,940.90 : x
  2. Step 2: Convert to fraction form
    4,285.32/5,923.60 = 3,940.90/x
  3. Step 3: Cross multiply
    4,285.32x = 5,923.60 × 3,940.90
  4. Step 4: Simplify right side
    4,285.32x = 23,344,315.24
  5. Step 5: Solve for x
    x = 23,344,315.24/4,285.32
  6. Step 6: Final answer
    x = 5,447.51

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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.