Home / 8,268.24-12,403.15-2,721.63

Finding the Fourth Proportional to 8,268.24, 12,403.15 and 2,721.63

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Solution

The fourth proportional to 8,268.24, 12,403.15 and 2,721.63 is: 4,082.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.24 : 12,403.15 = 2,721.63 : x
  2. Step 2: Convert to fraction form
    8,268.24/12,403.15 = 2,721.63/x
  3. Step 3: Cross multiply
    8,268.24x = 12,403.15 × 2,721.63
  4. Step 4: Simplify right side
    8,268.24x = 33,756,785.13
  5. Step 5: Solve for x
    x = 33,756,785.13/8,268.24
  6. Step 6: Final answer
    x = 4,082.71

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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.