Home / 6,268.64-8,650.80-3,615.54

Finding the Fourth Proportional to 6,268.64, 8,650.80 and 3,615.54

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Solution

The fourth proportional to 6,268.64, 8,650.80 and 3,615.54 is: 4,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.64 : 8,650.80 = 3,615.54 : x
  2. Step 2: Convert to fraction form
    6,268.64/8,650.80 = 3,615.54/x
  3. Step 3: Cross multiply
    6,268.64x = 8,650.80 × 3,615.54
  4. Step 4: Simplify right side
    6,268.64x = 31,277,280.99
  5. Step 5: Solve for x
    x = 31,277,280.99/6,268.64
  6. Step 6: Final answer
    x = 4,989.48

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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.