Home / 6,823.84-10,236.40-5,286.56

Finding the Fourth Proportional to 6,823.84, 10,236.40 and 5,286.56

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Solution

The fourth proportional to 6,823.84, 10,236.40 and 5,286.56 is: 7,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.84 : 10,236.40 = 5,286.56 : x
  2. Step 2: Convert to fraction form
    6,823.84/10,236.40 = 5,286.56/x
  3. Step 3: Cross multiply
    6,823.84x = 10,236.40 × 5,286.56
  4. Step 4: Simplify right side
    6,823.84x = 54,115,342.78
  5. Step 5: Solve for x
    x = 54,115,342.78/6,823.84
  6. Step 6: Final answer
    x = 7,930.34

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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.