Home / 8,279.74-12,419.98-2,733.56

Finding the Fourth Proportional to 8,279.74, 12,419.98 and 2,733.56

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Solution

The fourth proportional to 8,279.74, 12,419.98 and 2,733.56 is: 4,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.74 : 12,419.98 = 2,733.56 : x
  2. Step 2: Convert to fraction form
    8,279.74/12,419.98 = 2,733.56/x
  3. Step 3: Cross multiply
    8,279.74x = 12,419.98 × 2,733.56
  4. Step 4: Simplify right side
    8,279.74x = 33,950,760.53
  5. Step 5: Solve for x
    x = 33,950,760.53/8,279.74
  6. Step 6: Final answer
    x = 4,100.46

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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.