Home / 7,763.89-11,645.94-2,217.23

Finding the Fourth Proportional to 7,763.89, 11,645.94 and 2,217.23

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Solution

The fourth proportional to 7,763.89, 11,645.94 and 2,217.23 is: 3,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.89 : 11,645.94 = 2,217.23 : x
  2. Step 2: Convert to fraction form
    7,763.89/11,645.94 = 2,217.23/x
  3. Step 3: Cross multiply
    7,763.89x = 11,645.94 × 2,217.23
  4. Step 4: Simplify right side
    7,763.89x = 25,821,727.55
  5. Step 5: Solve for x
    x = 25,821,727.55/7,763.89
  6. Step 6: Final answer
    x = 3,325.87

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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.