Home / 7,823.73-10,796.58-4,286.87

Finding the Fourth Proportional to 7,823.73, 10,796.58 and 4,286.87

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Solution

The fourth proportional to 7,823.73, 10,796.58 and 4,286.87 is: 5,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.73 : 10,796.58 = 4,286.87 : x
  2. Step 2: Convert to fraction form
    7,823.73/10,796.58 = 4,286.87/x
  3. Step 3: Cross multiply
    7,823.73x = 10,796.58 × 4,286.87
  4. Step 4: Simplify right side
    7,823.73x = 46,283,480.92
  5. Step 5: Solve for x
    x = 46,283,480.92/7,823.73
  6. Step 6: Final answer
    x = 5,915.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.