Home / 4,285.44-6,431.40-3,676.32

Finding the Fourth Proportional to 4,285.44, 6,431.40 and 3,676.32

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Solution

The fourth proportional to 4,285.44, 6,431.40 and 3,676.32 is: 5,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.44 : 6,431.40 = 3,676.32 : x
  2. Step 2: Convert to fraction form
    4,285.44/6,431.40 = 3,676.32/x
  3. Step 3: Cross multiply
    4,285.44x = 6,431.40 × 3,676.32
  4. Step 4: Simplify right side
    4,285.44x = 23,643,884.45
  5. Step 5: Solve for x
    x = 23,643,884.45/4,285.44
  6. Step 6: Final answer
    x = 5,517.26

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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.