Home / 7,823.59-10,796.49-4,286.79

Finding the Fourth Proportional to 7,823.59, 10,796.49 and 4,286.79

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Solution

The fourth proportional to 7,823.59, 10,796.49 and 4,286.79 is: 5,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.59 : 10,796.49 = 4,286.79 : x
  2. Step 2: Convert to fraction form
    7,823.59/10,796.49 = 4,286.79/x
  3. Step 3: Cross multiply
    7,823.59x = 10,796.49 × 4,286.79
  4. Step 4: Simplify right side
    7,823.59x = 46,282,285.37
  5. Step 5: Solve for x
    x = 46,282,285.37/7,823.59
  6. Step 6: Final answer
    x = 5,915.74

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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.