Home / 7,763.38-11,645.45-2,217.54

Finding the Fourth Proportional to 7,763.38, 11,645.45 and 2,217.54

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Solution

The fourth proportional to 7,763.38, 11,645.45 and 2,217.54 is: 3,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.38 : 11,645.45 = 2,217.54 : x
  2. Step 2: Convert to fraction form
    7,763.38/11,645.45 = 2,217.54/x
  3. Step 3: Cross multiply
    7,763.38x = 11,645.45 × 2,217.54
  4. Step 4: Simplify right side
    7,763.38x = 25,824,256.74
  5. Step 5: Solve for x
    x = 25,824,256.74/7,763.38
  6. Step 6: Final answer
    x = 3,326.42

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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.