Home / 6,268.40-8,650.44-3,615.74

Finding the Fourth Proportional to 6,268.40, 8,650.44 and 3,615.74

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Solution

The fourth proportional to 6,268.40, 8,650.44 and 3,615.74 is: 4,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.40 : 8,650.44 = 3,615.74 : x
  2. Step 2: Convert to fraction form
    6,268.40/8,650.44 = 3,615.74/x
  3. Step 3: Cross multiply
    6,268.40x = 8,650.44 × 3,615.74
  4. Step 4: Simplify right side
    6,268.40x = 31,277,741.93
  5. Step 5: Solve for x
    x = 31,277,741.93/6,268.40
  6. Step 6: Final answer
    x = 4,989.75

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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.