Home / 6,268.36-8,650.32-3,615.72

Finding the Fourth Proportional to 6,268.36, 8,650.32 and 3,615.72

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Solution

The fourth proportional to 6,268.36, 8,650.32 and 3,615.72 is: 4,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.36 : 8,650.32 = 3,615.72 : x
  2. Step 2: Convert to fraction form
    6,268.36/8,650.32 = 3,615.72/x
  3. Step 3: Cross multiply
    6,268.36x = 8,650.32 × 3,615.72
  4. Step 4: Simplify right side
    6,268.36x = 31,277,135.03
  5. Step 5: Solve for x
    x = 31,277,135.03/6,268.36
  6. Step 6: Final answer
    x = 4,989.68

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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.