Home / 4,190.60-6,285.88-2,458.28

Finding the Fourth Proportional to 4,190.60, 6,285.88 and 2,458.28

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Solution

The fourth proportional to 4,190.60, 6,285.88 and 2,458.28 is: 3,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.60 : 6,285.88 = 2,458.28 : x
  2. Step 2: Convert to fraction form
    4,190.60/6,285.88 = 2,458.28/x
  3. Step 3: Cross multiply
    4,190.60x = 6,285.88 × 2,458.28
  4. Step 4: Simplify right side
    4,190.60x = 15,452,453.09
  5. Step 5: Solve for x
    x = 15,452,453.09/4,190.60
  6. Step 6: Final answer
    x = 3,687.41

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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.