Home / 6,287.24-8,676.32-3,634.64

Finding the Fourth Proportional to 6,287.24, 8,676.32 and 3,634.64

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Solution

The fourth proportional to 6,287.24, 8,676.32 and 3,634.64 is: 5,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.24 : 8,676.32 = 3,634.64 : x
  2. Step 2: Convert to fraction form
    6,287.24/8,676.32 = 3,634.64/x
  3. Step 3: Cross multiply
    6,287.24x = 8,676.32 × 3,634.64
  4. Step 4: Simplify right side
    6,287.24x = 31,535,299.72
  5. Step 5: Solve for x
    x = 31,535,299.72/6,287.24
  6. Step 6: Final answer
    x = 5,015.76

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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.