Home / 8,107.09-12,162.08-2,769.98

Finding the Fourth Proportional to 8,107.09, 12,162.08 and 2,769.98

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Solution

The fourth proportional to 8,107.09, 12,162.08 and 2,769.98 is: 4,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.09 : 12,162.08 = 2,769.98 : x
  2. Step 2: Convert to fraction form
    8,107.09/12,162.08 = 2,769.98/x
  3. Step 3: Cross multiply
    8,107.09x = 12,162.08 × 2,769.98
  4. Step 4: Simplify right side
    8,107.09x = 33,688,718.36
  5. Step 5: Solve for x
    x = 33,688,718.36/8,107.09
  6. Step 6: Final answer
    x = 4,155.46

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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.