Home / 7,869.27-11,805.50-2,604.68

Finding the Fourth Proportional to 7,869.27, 11,805.50 and 2,604.68

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Solution

The fourth proportional to 7,869.27, 11,805.50 and 2,604.68 is: 3,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.27 : 11,805.50 = 2,604.68 : x
  2. Step 2: Convert to fraction form
    7,869.27/11,805.50 = 2,604.68/x
  3. Step 3: Cross multiply
    7,869.27x = 11,805.50 × 2,604.68
  4. Step 4: Simplify right side
    7,869.27x = 30,749,477.69
  5. Step 5: Solve for x
    x = 30,749,477.69/7,869.27
  6. Step 6: Final answer
    x = 3,907.54

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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.