Home / 7,869.09-11,804.85-2,673.75

Finding the Fourth Proportional to 7,869.09, 11,804.85 and 2,673.75

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Solution

The fourth proportional to 7,869.09, 11,804.85 and 2,673.75 is: 4,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.09 : 11,804.85 = 2,673.75 : x
  2. Step 2: Convert to fraction form
    7,869.09/11,804.85 = 2,673.75/x
  3. Step 3: Cross multiply
    7,869.09x = 11,804.85 × 2,673.75
  4. Step 4: Simplify right side
    7,869.09x = 31,563,217.69
  5. Step 5: Solve for x
    x = 31,563,217.69/7,869.09
  6. Step 6: Final answer
    x = 4,011.04

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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.