Home / 8,268.23-12,403.56-2,720.54

Finding the Fourth Proportional to 8,268.23, 12,403.56 and 2,720.54

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Solution

The fourth proportional to 8,268.23, 12,403.56 and 2,720.54 is: 4,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.23 : 12,403.56 = 2,720.54 : x
  2. Step 2: Convert to fraction form
    8,268.23/12,403.56 = 2,720.54/x
  3. Step 3: Cross multiply
    8,268.23x = 12,403.56 × 2,720.54
  4. Step 4: Simplify right side
    8,268.23x = 33,744,319.10
  5. Step 5: Solve for x
    x = 33,744,319.10/8,268.23
  6. Step 6: Final answer
    x = 4,081.20

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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.