Home / 8,269.74-12,403.63-2,721.73

Finding the Fourth Proportional to 8,269.74, 12,403.63 and 2,721.73

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Solution

The fourth proportional to 8,269.74, 12,403.63 and 2,721.73 is: 4,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.74 : 12,403.63 = 2,721.73 : x
  2. Step 2: Convert to fraction form
    8,269.74/12,403.63 = 2,721.73/x
  3. Step 3: Cross multiply
    8,269.74x = 12,403.63 × 2,721.73
  4. Step 4: Simplify right side
    8,269.74x = 33,759,331.88
  5. Step 5: Solve for x
    x = 33,759,331.88/8,269.74
  6. Step 6: Final answer
    x = 4,082.27

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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.