Home / 8,268.88-12,403.32-3,074.76

Finding the Fourth Proportional to 8,268.88, 12,403.32 and 3,074.76

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Solution

The fourth proportional to 8,268.88, 12,403.32 and 3,074.76 is: 4,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.88 : 12,403.32 = 3,074.76 : x
  2. Step 2: Convert to fraction form
    8,268.88/12,403.32 = 3,074.76/x
  3. Step 3: Cross multiply
    8,268.88x = 12,403.32 × 3,074.76
  4. Step 4: Simplify right side
    8,268.88x = 38,137,232.20
  5. Step 5: Solve for x
    x = 38,137,232.20/8,268.88
  6. Step 6: Final answer
    x = 4,612.14

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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.