Home / 4,268.72-6,403.08-2,538.80

Finding the Fourth Proportional to 4,268.72, 6,403.08 and 2,538.80

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Solution

The fourth proportional to 4,268.72, 6,403.08 and 2,538.80 is: 3,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.72 : 6,403.08 = 2,538.80 : x
  2. Step 2: Convert to fraction form
    4,268.72/6,403.08 = 2,538.80/x
  3. Step 3: Cross multiply
    4,268.72x = 6,403.08 × 2,538.80
  4. Step 4: Simplify right side
    4,268.72x = 16,256,139.50
  5. Step 5: Solve for x
    x = 16,256,139.50/4,268.72
  6. Step 6: Final answer
    x = 3,808.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.