Home / 7,845.41-11,767.20-2,913.73

Finding the Fourth Proportional to 7,845.41, 11,767.20 and 2,913.73

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Solution

The fourth proportional to 7,845.41, 11,767.20 and 2,913.73 is: 4,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.41 : 11,767.20 = 2,913.73 : x
  2. Step 2: Convert to fraction form
    7,845.41/11,767.20 = 2,913.73/x
  3. Step 3: Cross multiply
    7,845.41x = 11,767.20 × 2,913.73
  4. Step 4: Simplify right side
    7,845.41x = 34,286,414.24
  5. Step 5: Solve for x
    x = 34,286,414.24/7,845.41
  6. Step 6: Final answer
    x = 4,370.25

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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.