Home / 8,091.49-12,137.79-2,752.50

Finding the Fourth Proportional to 8,091.49, 12,137.79 and 2,752.50

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Solution

The fourth proportional to 8,091.49, 12,137.79 and 2,752.50 is: 4,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.49 : 12,137.79 = 2,752.50 : x
  2. Step 2: Convert to fraction form
    8,091.49/12,137.79 = 2,752.50/x
  3. Step 3: Cross multiply
    8,091.49x = 12,137.79 × 2,752.50
  4. Step 4: Simplify right side
    8,091.49x = 33,409,206.29
  5. Step 5: Solve for x
    x = 33,409,206.29/8,091.49
  6. Step 6: Final answer
    x = 4,128.93

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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.