Home / 6,268.64-8,650.40-3,615.89

Finding the Fourth Proportional to 6,268.64, 8,650.40 and 3,615.89

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Solution

The fourth proportional to 6,268.64, 8,650.40 and 3,615.89 is: 4,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.64 : 8,650.40 = 3,615.89 : x
  2. Step 2: Convert to fraction form
    6,268.64/8,650.40 = 3,615.89/x
  3. Step 3: Cross multiply
    6,268.64x = 8,650.40 × 3,615.89
  4. Step 4: Simplify right side
    6,268.64x = 31,278,833.52
  5. Step 5: Solve for x
    x = 31,278,833.52/6,268.64
  6. Step 6: Final answer
    x = 4,989.74

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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.