Home / 8,256.70-12,385.89-2,708.74

Finding the Fourth Proportional to 8,256.70, 12,385.89 and 2,708.74

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Solution

The fourth proportional to 8,256.70, 12,385.89 and 2,708.74 is: 4,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.70 : 12,385.89 = 2,708.74 : x
  2. Step 2: Convert to fraction form
    8,256.70/12,385.89 = 2,708.74/x
  3. Step 3: Cross multiply
    8,256.70x = 12,385.89 × 2,708.74
  4. Step 4: Simplify right side
    8,256.70x = 33,550,155.68
  5. Step 5: Solve for x
    x = 33,550,155.68/8,256.70
  6. Step 6: Final answer
    x = 4,063.39

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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.